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Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK

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Latitude & Longitude (WGS84): 50° 42' 33'' North , 4° 1' 41'' West
Latitude & Longitude (decimal): 50.70917,-4.02833
GeoHash:G#: gcj0kr6dm
UK National Grid Reference:SX568920
Locality type:Quarry (Abandoned) - last checked 2018
Köppen climate type:Cfb : Temperate oceanic climate


Note on the mineral list:
Highly doubtful occurrences reported by A.W.G. Kingsbury from the Meldon aplite are brandtite, chrysoberyl, danburite, euclase, eucryptite, eudidymite, leucophanite, milarite, priceite, rhodizite, and spodumene.

Regions containing this locality

Devon and Cornwall metalliferous mining district, England, UK

Mining District - 760 mineral species & varietal names listed

Dartmoor National Park, Devon, England, UK

National Park - 235 mineral species & varietal names listed

Okehampton Mining District, Devon, England, UK

Mining District - 141 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


61 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
Albite
Formula: Na(AlSi3O8)
Reference: McLintock, W.F.P. (1923) On the Occurrence of Petalite and Pneumatolytic Apatite in the Meldon Aplite, Okehampton, Devonshire. Mineralogical Magazine, vol. 20, n° 103:, 140-150.; von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Amblygonite
Formula: LiAl(PO4)F
Reference: Kingsbury, A.W.G. (1964) in 'Present views on some aspects of the geology of Cornwall and Devon' (Roy. geol. Soc. Cornwall), p. 249; Moss, A.A., Fejer, E.E. and Embrey, P.G. (1969) On the X-Ray Identification of Amblygonite and Montebrasite. Mineralogical Magazine, 37(287), 414-422.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42(322), 169-177.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
'Amblygonite-Montebrasite Series'
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Antimony
Formula: Sb
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
'Aplite'
Reference: Automatically generated from locality name; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.
'Apophyllite'
Reference: Symes, R.F. (1977) Datolite and apophyllite from the Mendips. Mineralogical Magazine: 41 (319): 410-411.
Arsenic
Formula: As
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Arsenolite
Formula: As2O3
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Arsenopyrite
Formula: FeAsS
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Axinite-(Fe)
Formula: Ca2Fe2+Al2BSi4O15OH
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; Dearman, W.R. (1966) Datolite from Meldon, Okehampton, Devonshire. Mineralogical Magazine, 35(275), 1017-1018.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Bavenite
Formula: Ca4Be2Al2Si9O26(OH)2
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Beryl
Formula: Be3Al2(Si6O18)
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448 (referring to Kingsbury).
Beryllonite
Formula: NaBePO4
Description: Kingsbury, A.W.G. (1964) in Mineralogical Magazine 35, lviii states: "Colourless isolated crystals (2cm) from a pegmatite vein in the old aplite quarry at Meldon, Okehampton, Devon". However, von Knorring, O. and Condliffe, E. (1984): On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine 48, 443-448, states "Beryllonite occurs in whitish grains some 2 mm across and is mostly enclosed in elbaite with some lepidolite and quartz. It is fibrous and silky in appearance and is closely associated with pollucite, orthoclase, petalite, and lepidolite." 2cm vs. 2mm...
Reference: Kingsbury, A.W.G. (1964) Mineralogical Magazine 35, lvii.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42(322), 169-177 (referring to Kingsbury).; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine 48, 443-448 (referring to Kingsbury).; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; http://www.handbookofmineralogy.org/pdfs/beryllonite.pdf
Brandtite ?
Formula: Ca2(Mn2+,Mg)(AsO4)2 · 2H2O
Description: Fraudulent Kingsbury locality.
Calcite
Formula: CaCO3
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
Chalcopyrite
Formula: CuFeS2
Habit: massive
Description: As small inclusions in a stringer of axinite in the hornfels. Indentity confirmed by Prof R. Scrivener.
Reference: Collected Oct 2005
'Chert'
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.
'Chlorite Group'
Chrysoberyl ?
Formula: BeAl2O4
Description: Green crystal plates ( < 2 cm) with feldspar.
Reference: Kingsbury, A.W.G. (1964) Mineralogical Magazine 35, lvii; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42(322), 169-177 (referring to Kingsbury).; von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448 (referring to Kingsbury).; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Columbite-(Mn)
Formula: (Mn,Fe)(Nb,Ta)2O6
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.
'Columbite-Tantalite'
Reference: von Knorring, O. (1951) A Note on the Occurrence of Columbite in the Meldon Aplite, Devonshire. Mineralogical Magazine, vol. 29, n° 215, 799-801.; von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Danburite ?
Formula: CaB2Si2O8
Description: Kingsbury specimens
Reference: Rumsey, M.S., Ryback, G., and Tayler, R. (2011) Danburite from Meldon Quarry, Okehampton and other UK localities. Journal of the Russell Society 14:26-32.
Datolite
Formula: CaB(SiO4)(OH)
Fluorescence: weak blue-violet SW-UV fluorescence
Reference: Dearman, W.R. (1966) Datolite from Meldon, Okehampton, Devonshire. Mineralogical Magazine, 35(275), 1017-1018.; Symes, R.F. (1977) Datolite and apophyllite from the Mendips. Mineralogical Magazine, 41(319), 410-411.; Rumsey, M.S., Ryback, G., and Tayler, R. (2011) Danburite from Meldon Quarry, Okehampton and other UK localities. Journal of the Russell Society, 14, 26-32.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi;
Diopside
Formula: CaMgSi2O6
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Chaudhry, M.N. and Howie, R.A. (1976) Lithium Tourmalines from the Meldon Aplite, Devonshire, England. Mineralogical Magazine vol. 40, n° 315, 747-751 [the analysis of 4 "rubellite" and 3 "verdelite" specimens from the locality identified both "colour varieties" as elbaite].; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177.; von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
Euclase ?
Formula: BeAl(SiO4)(OH)
Description: Fraudulent Kingsbury locality.
Eucryptite ?
Formula: LiAlSiO4
Reference: Fraudulent Kingsbury locality.
Eudidymite ?
Formula: Na2Be2Si6O15 · H2O
Description: Fraudulent Kingsbury locality.
Reference: Kingsbury, A.W.G. (1964) Mineralogical Magazine, 35, lvii.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42(322), 169-177 (referring to Kingsbury).; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448 (referring to Kingsbury).; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
'Feldspar Group'
Reference: Worth, R.H. (1920) The Geology of the Meldon Valleys near Okehampton, on the Northern Verge of Dartmoor. Quarterly Journal of the Geological Society of London 75, 77-114.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi;
'Feldspar Group var: Perthite'
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Fersmite
Formula: (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
'Flint'
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Fluorapatite
Formula: Ca5(PO4)3F
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Fluorite
Formula: CaF2
Reference: McLintock, W.F.P. (1923) On the Occurrence of Petalite and Pneumatolytic Apatite in the Meldon Aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi;
Galenobismutite ?
Formula: PbBi2S4
Reference: http://www.minerals.f9.co.uk/minloc/meldon/meldon.htm
'Greisen'
Reference: McLintock, W.F.P. (1923) On the Occurrence of Petalite and Pneumatolytic Apatite in the Meldon Aplite, Okehampton, Devonshire. Mineralogical Magazine, vol. 20, n° 103, 140-150.; von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Grossular
Formula: Ca3Al2(SiO4)3
Reference: Michael S. Rumsey, George Ryback and Richard Tayler (2011) Danburite from Meldon Quarry, Okehampton and other UK localities. Journal of the Russell Society 14:26-32
Hedenbergite
Formula: CaFe2+Si2O6
Reference: No reference listed
Herderite
Formula: CaBePO4(F,OH)
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
'Heulandite subgroup'
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
'Hornfels'
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
'K Feldspar'
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
'Lepidolite'
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Leucophanite ?
Formula: NaCaBeSi2O6F
Reference: Fraudulent Kingsbury locality.
Löllingite
Formula: FeAs2
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.; Rumsey, M.S., Ryback, G. and Tayler, R. (2011) Danburite from Meldon Quarry, Okehampton and other UK localities. Journal of the Russell Society 14:26-32.
Malayaite
Formula: CaSn(SiO4)O
Fluorescence: yellow SW-UV fluorescence
Reference: Michael S. Rumsey, George Ryback and Richard Tayler (2011) Danburite from Meldon Quarry, Okehampton and other UK localities. Journal of the Russell Society 14:26-32
Marialite
Formula: Na4Al3Si9O24Cl
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.; Ryback, G., Nawaz, R. and Farley, E. (1988) Seventh Supplementary List of British Isles Minerals (Irish). Mineralogical Magazine, vol. 52, n° 365, pp. 267-274.
Milarite ?
Formula: K2Ca4Al2Be4Si24O60 · H2O
Reference: Kingsbury, A.W.G. (1964) Mineralogical Magazine, 35, lvii.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42(322), 169-177 (referring to Kingsbury).; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448 (referring to Kingsbury).; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Montebrasite
Formula: LiAl(PO4)(OH)
Reference: Kingsbury, A.W.G. (1964) in 'Present views on some aspects of the geology of Cornwall and Devon' (Roy. geol. Soc. Cornwall), p. 249; Moss, A.A., Fejer, E.E., and Embrey, P.G. (1969) On the X-Ray Identification of Amblygonite and Montebrasite. Mineralogical Magazine, 37(287), 414-422.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42(322), 169-177.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; Andy Tindle microprobe analysis; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: McLintock, W.F.P. (1923): Mineralogical Magazine 20, 140-150
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Orthoclase
Formula: K(AlSi3O8)
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, vol. 20, n° 103, 140-150.; von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Palygorskite
Formula: (Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
'Pegmatite'
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Petalite
Formula: LiAl(Si4O10)
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi;
Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448 (referring to Kingsbury).
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: McLintock, W.F.P. (1923) On the Occurrence of Petalite and Pneumatolytic Apatite in the Meldon Aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Priceite ?
Formula: Ca2B5O7(OH)5 · H2O
Description: Fraudulent Kingsbury locality.
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Pyrite
Formula: FeS2
Habit: massive
Description: As small inclusions in a stringer of axinite in the hornfels. Indentity confirmed by Prof R. Scrivener.
Reference: Collected Oct 2005
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
Pyrrhotite
Formula: Fe7S8
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
Quartz
Formula: SiO2
Reference: McLintock, W.F.P. (1923) On the Occurrence of Petalite and Pneumatolytic Apatite in the Meldon Aplite, Okehampton, Devonshire. Mineralogical Magazine, vol. 20, n° 103, 140-150.; von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.; Rumsey, M.S., Ryback, G. and Tayler, R. (2011) Danburite from Meldon Quarry, Okehampton and other UK localities. Journal of the Russell Society 14:26-32.
Rhodizite ?
Formula: (K,Cs)Al4Be4(B,Be)12O28
Description: Fraudulent Kingsbury locality.
Reference: http://www.mindat.org/mesg-7-92300.html; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; Embrey, P.G. (1973) Memorial of Arthur William Gerald Kingsbury. American Mineralogist, 58, 372-375.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448 (referring to Kingsbury).
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm; Peter G. Embrey (1978) Fourth Supplementary List of British Minerals. Mineralogical Magazine 42:169-177
Scheelite
Formula: Ca(WO4)
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
'Shale'
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Siderite
Formula: FeCO3
Reference: Lloyd Llewellyn (see photo)
'Skarn'
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Spodumene ?
Formula: LiAlSi2O6
Description: Erroneously reported by Kingsbury; see http://www.mindat.org/mesg-7-92300.html.
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448 (referring to Kingsbury).
'Stibiconite'
Formula: Sb3+Sb5+2O6(OH)
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
Stilbite-Ca
Formula: NaCa4[Al9Si27O72] · nH2O
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm
Tantalite-(Mn)
Formula: MnTa2O6
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.; Ryback, G., Nawaz, R. and Farley, E. (1988) Seventh Supplementary List of British Isles Minerals (Irish). Mineralogical Magazine, vol. 52, n° 365, pp. 267-274.
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Worth, R.H. (1920) The Geology of the Meldon Valleys near Okehampton, on the Northern Verge of Dartmoor. Quarterly Journal of the Geological Society of London 75, 77-114.; McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Colour: pink, green
Reference: McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.; von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
'Tuff'
Reference: http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
'Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Peter G. Embrey (1978) Fourth Supplementary List of British Minerals. Mineralogical Magazine 42:169-177
Wollastonite
Formula: CaSiO3
Reference: No reference listed
Zoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: http://www.mineralman.f9.co.uk/quarries/meldon.htm

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Antimony'1.CA.05Sb
'Arsenic'1.CA.05As
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
'Chalcopyrite'2.CB.10aCuFeS2
'Galenobismutite' ?2.JC.25ePbBi2S4
'Löllingite'2.EB.15aFeAs2
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
Group 3 - Halides
'Fluorite'3.AB.25CaF2
Group 4 - Oxides and Hydroxides
'Arsenolite'4.CB.50As2O3
'Chrysoberyl' ?4.BA.05BeAl2O4
'Columbite-(Mn)'4.DB.35(Mn,Fe)(Nb,Ta)2O6
'Fersmite'4.DG.05(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
'Microlite Group'4.00.A2-mTa2X6-wZ-n
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
'Quartz'4.DA.05SiO2
'Stibiconite'4.DH.20Sb3+Sb5+2O6(OH)
'Tantalite-(Mn)'4.DB.35MnTa2O6
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
'Siderite'5.AB.05FeCO3
Group 6 - Borates
'Priceite' ?6.EB.25Ca2B5O7(OH)5 · H2O
'Rhodizite' ?6.GC.05(K,Cs)Al4Be4(B,Be)12O28
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Scheelite'7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
'Amblygonite'8.BB.05LiAl(PO4)F
'Autunite'8.EB.05Ca(UO2)2(PO4)2 · 11H2O
'Beryllonite'8.AA.10NaBePO4
'Brandtite' ?8.CG.10Ca2(Mn2+,Mg)(AsO4)2 · 2H2O
'Fluorapatite'8.BN.05Ca5(PO4)3F
'Herderite'8.BA.10CaBePO4(F,OH)
'Montebrasite'8.BB.05LiAl(PO4)(OH)
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite'9.FA.35Na(AlSi3O8)
'Axinite-(Fe)'9.BD.20Ca2Fe2+Al2BSi4O15OH
'Bavenite'9.DF.25Ca4Be2Al2Si9O26(OH)2
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Cordierite'9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
'Danburite' ?9.FA.65CaB2Si2O8
'Datolite'9.AJ.20CaB(SiO4)(OH)
'Diopside'9.DA.15CaMgSi2O6
'Elbaite'9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Euclase' ?9.AE.10BeAl(SiO4)(OH)
'Eucryptite' ?9.AA.05LiAlSiO4
'Eudidymite' ?9.DG.60Na2Be2Si6O15 · H2O
'Grossular'9.AD.25Ca3Al2(SiO4)3
'Hedenbergite'9.DA.15CaFe2+Si2O6
'Laumontite'9.GB.10CaAl2Si4O12 · 4H2O
'Leucophanite' ?9.DH.05NaCaBeSi2O6F
'Malayaite'9.AG.15CaSn(SiO4)O
'Marialite'9.FB.15Na4Al3Si9O24Cl
'Milarite' ?9.CM.05K2Ca4Al2Be4Si24O60 · H2O
'Montmorillonite'9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
'Orthoclase'9.FA.30K(AlSi3O8)
'Palygorskite'9.EE.20(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
'Petalite'9.EF.05LiAl(Si4O10)
'Pollucite'9.GB.05(Cs,Na)2(Al2Si4O12) · 2H2O
'Prehnite'9.DP.20Ca2Al2Si3O10(OH)2
'Spodumene' ?9.DA.30LiAlSi2O6
'Stilbite-Ca'9.GE.10NaCa4[Al9Si27O72] · nH2O
'Topaz'9.AF.35Al2(SiO4)(F,OH)2
'Tremolite'9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
'Wollastonite'9.DG.05CaSiO3
'Zoisite'9.BG.10{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Rocks, etc.
'Amblygonite-Montebrasite Series'-
'Aplite'-
'Apophyllite'-
'Chert'-
'Chlorite Group'-
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Flint'-
'Greisen'-
'Heulandite subgroup'-
'Hornfels'-
'K Feldspar'-
'Lepidolite'-
'Pegmatite'-
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Shale'-
'Skarn'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Tuff'-
'Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Antimony1.3.1.2Sb
Arsenic1.3.1.1As
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Löllingite2.12.2.9FeAs2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 2
Galenobismutite ?3.7.9.1PbBi2S4
Group 4 - SIMPLE OXIDES
A2X3
Arsenolite4.3.9.1As2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Chrysoberyl ?7.2.9.1BeAl2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
AB2O6
Columbite-(Mn)8.3.2.4(Mn,Fe)(Nb,Ta)2O6
Fersmite8.3.3.1(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Tantalite-(Mn)8.3.2.3MnTa2O6
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Pentaborates
Priceite ?25.5.1.1Ca2B5O7(OH)5 · H2O
Miscellaneous
Rhodizite ?25.8.2.1(K,Cs)Al4Be4(B,Be)12O28
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Beryllonite38.1.5.1NaBePO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Brandtite ?40.2.3.2Ca2(Mn2+,Mg)(AsO4)2 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite41.5.8.1LiAl(PO4)F
Herderite41.5.4.1CaBePO4(F,OH)
Montebrasite41.5.8.2LiAl(PO4)(OH)
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 44 - ANTIMONATES
A2X2O6(O,OH,F)
'Stibiconite'44.1.1.1Sb3+Sb5+2O6(OH)
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [4] coordination
Eucryptite ?51.1.1.3LiAlSiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Euclase ?52.2.1.1BeAl(SiO4)(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Malayaite52.4.3.2CaSn(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with No Additional Anions with cations in [8] and lower coordination
Leucophanite ?55.4.2.4NaCaBeSi2O6F
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Axinite-(Fe)56.2.2.1Ca2Fe2+Al2BSi4O15OH
Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups
Danburite ?56.3.1.1CaB2Si2O8
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Zoisite58.2.1b.1{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 63 - CYCLOSILICATES Condensed Rings
Condensed Rings (Milarite - Osumilite group)
Milarite ?63.2.1a.12K2Ca4Al2Be4Si24O60 · H2O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Hedenbergite65.1.3a.2CaFe2+Si2O6
Spodumene ?65.1.4.1LiAlSi2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Amphiboles - Ca-Na subgroup
Eudidymite ?66.3.1.3Na2Be2Si6O15 · H2O
Group 70 - INOSILICATES Column or Tube Structures
Column or Tube Structures with chains linked by Be
Bavenite70.5.3.1Ca4Be2Al2Si9O26(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with tetrahedral Al cross-linking
Petalite72.6.1.1LiAl(Si4O10)
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Palygorskite74.3.1a.1(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Al-Si Framework with other Be/Al/Si frameworks
Marialite76.3.1.1Na4Al3Si9O24Cl
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Pollucite77.1.1.2(Cs,Na)2(Al2Si4O12) · 2H2O
Stilbite-Ca77.1.4.3NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Rocks, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Amblygonite-Montebrasite Series'-
'Aplite'-
'Apophyllite'-
'Chert'-
'Chlorite Group'-
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Flint'-
'Greisen'-
'Heulandite subgroup'-
'Hornfels'-
'K Feldspar'-
'Lepidolite'-
'Pegmatite'-
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Shale'-
'Skarn'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Tuff'-
'Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
H BaveniteCa4Be2Al2Si9O26(OH)2
H BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
H DatoliteCaB(SiO4)(OH)
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H EuclaseBeAl(SiO4)(OH)
H EudidymiteNa2Be2Si6O15 · H2O
H Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
H LaumontiteCaAl2Si4O12 · 4H2O
H MilariteK2Ca4Al2Be4Si24O60 · H2O
H MontebrasiteLiAl(PO4)(OH)
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
H Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
H PrehniteCa2Al2Si3O10(OH)2
H PriceiteCa2B5O7(OH)5 · H2O
H Pyrochlore GroupA2Nb2(O,OH)6Z
H StibiconiteSb3+Sb25+O6(OH)
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
H TopazAl2(SiO4)(F,OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
LiLithium
Li AmblygoniteLiAl(PO4)F
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li EucryptiteLiAlSiO4
Li MontebrasiteLiAl(PO4)(OH)
Li PetaliteLiAl(Si4O10)
Li SpodumeneLiAlSi2O6
BeBeryllium
Be BaveniteCa4Be2Al2Si9O26(OH)2
Be BerylBe3Al2(Si6O18)
Be BerylloniteNaBePO4
Be ChrysoberylBeAl2O4
Be EuclaseBeAl(SiO4)(OH)
Be EudidymiteNa2Be2Si6O15 · H2O
Be HerderiteCaBePO4(F,OH)
Be LeucophaniteNaCaBeSi2O6F
Be MilariteK2Ca4Al2Be4Si24O60 · H2O
Be Rhodizite(K,Cs)Al4Be4(B,Be)12O28
BBoron
B Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
B DanburiteCaB2Si2O8
B DatoliteCaB(SiO4)(OH)
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B PriceiteCa2B5O7(OH)5 · H2O
B Rhodizite(K,Cs)Al4Be4(B,Be)12O28
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
C SideriteFeCO3
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AlbiteNa(AlSi3O8)
O AmblygoniteLiAl(PO4)F
O ArsenoliteAs2O3
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
O BaveniteCa4Be2Al2Si9O26(OH)2
O BerylBe3Al2(Si6O18)
O BerylloniteNaBePO4
O BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
O CalciteCaCO3
O ChrysoberylBeAl2O4
O Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O DanburiteCaB2Si2O8
O DatoliteCaB(SiO4)(OH)
O DiopsideCaMgSi2O6
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O EuclaseBeAl(SiO4)(OH)
O EucryptiteLiAlSiO4
O EudidymiteNa2Be2Si6O15 · H2O
O Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
O FluorapatiteCa5(PO4)3F
O GrossularCa3Al2(SiO4)3
O HedenbergiteCaFe2+Si2O6
O HerderiteCaBePO4(F,OH)
O LaumontiteCaAl2Si4O12 · 4H2O
O LeucophaniteNaCaBeSi2O6F
O MalayaiteCaSn(SiO4)O
O MarialiteNa4Al3Si9O24Cl
O MilariteK2Ca4Al2Be4Si24O60 · H2O
O MontebrasiteLiAl(PO4)(OH)
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
O PetaliteLiAl(Si4O10)
O Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
O PrehniteCa2Al2Si3O10(OH)2
O PriceiteCa2B5O7(OH)5 · H2O
O Pyrochlore GroupA2Nb2(O,OH)6Z
O QuartzSiO2
O Rhodizite(K,Cs)Al4Be4(B,Be)12O28
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O ScheeliteCa(WO4)
O SideriteFeCO3
O SpodumeneLiAlSi2O6
O StibiconiteSb3+Sb25+O6(OH)
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
O Tantalite-(Mn)MnTa2O6
O TopazAl2(SiO4)(F,OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
O WollastoniteCaSiO3
O Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
FFluorine
F AmblygoniteLiAl(PO4)F
F Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
F HerderiteCaBePO4(F,OH)
F LeucophaniteNaCaBeSi2O6F
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na BerylloniteNaBePO4
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na EudidymiteNa2Be2Si6O15 · H2O
Na Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Na LeucophaniteNaCaBeSi2O6F
Na MarialiteNa4Al3Si9O24Cl
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg DiopsideCaMgSi2O6
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mg Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AmblygoniteLiAl(PO4)F
Al Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Al BaveniteCa4Be2Al2Si9O26(OH)2
Al BerylBe3Al2(Si6O18)
Al ChrysoberylBeAl2O4
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al EuclaseBeAl(SiO4)(OH)
Al EucryptiteLiAlSiO4
Al GrossularCa3Al2(SiO4)3
Al LaumontiteCaAl2Si4O12 · 4H2O
Al MarialiteNa4Al3Si9O24Cl
Al MilariteK2Ca4Al2Be4Si24O60 · H2O
Al MontebrasiteLiAl(PO4)(OH)
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Al PetaliteLiAl(Si4O10)
Al Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Al PrehniteCa2Al2Si3O10(OH)2
Al Rhodizite(K,Cs)Al4Be4(B,Be)12O28
Al SpodumeneLiAlSi2O6
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Al TopazAl2(SiO4)(F,OH)2
Al Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si AlbiteNa(AlSi3O8)
Si Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Si BaveniteCa4Be2Al2Si9O26(OH)2
Si BerylBe3Al2(Si6O18)
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si DanburiteCaB2Si2O8
Si DatoliteCaB(SiO4)(OH)
Si DiopsideCaMgSi2O6
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si EuclaseBeAl(SiO4)(OH)
Si EucryptiteLiAlSiO4
Si EudidymiteNa2Be2Si6O15 · H2O
Si GrossularCa3Al2(SiO4)3
Si HedenbergiteCaFe2+Si2O6
Si LaumontiteCaAl2Si4O12 · 4H2O
Si LeucophaniteNaCaBeSi2O6F
Si MalayaiteCaSn(SiO4)O
Si MarialiteNa4Al3Si9O24Cl
Si MilariteK2Ca4Al2Be4Si24O60 · H2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Si PetaliteLiAl(Si4O10)
Si Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
Si SpodumeneLiAlSi2O6
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Si TopazAl2(SiO4)(F,OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si WollastoniteCaSiO3
Si Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
PPhosphorus
P AmblygoniteLiAl(PO4)F
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P BerylloniteNaBePO4
P FluorapatiteCa5(PO4)3F
P HerderiteCaBePO4(F,OH)
P MontebrasiteLiAl(PO4)(OH)
SSulfur
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S GalenobismutitePbBi2S4
S PyriteFeS2
S PyrrhotiteFe7S8
ClChlorine
Cl MarialiteNa4Al3Si9O24Cl
KPotassium
K MilariteK2Ca4Al2Be4Si24O60 · H2O
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Rhodizite(K,Cs)Al4Be4(B,Be)12O28
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Ca BaveniteCa4Be2Al2Si9O26(OH)2
Ca BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
Ca CalciteCaCO3
Ca DanburiteCaB2Si2O8
Ca DatoliteCaB(SiO4)(OH)
Ca DiopsideCaMgSi2O6
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ca FluorapatiteCa5(PO4)3F
Ca FluoriteCaF2
Ca GrossularCa3Al2(SiO4)3
Ca HedenbergiteCaFe2+Si2O6
Ca HerderiteCaBePO4(F,OH)
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca LeucophaniteNaCaBeSi2O6F
Ca MalayaiteCaSn(SiO4)O
Ca MilariteK2Ca4Al2Be4Si24O60 · H2O
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca PriceiteCa2B5O7(OH)5 · H2O
Ca ScheeliteCa(WO4)
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca WollastoniteCaSiO3
Ca Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
TiTitanium
Ti Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
MnManganese
Mn BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
Mn Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Mn Tantalite-(Mn)MnTa2O6
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe ArsenopyriteFeAsS
Fe Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Fe ChalcopyriteCuFeS2
Fe Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe HedenbergiteCaFe2+Si2O6
Fe LöllingiteFeAs2
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe SideriteFeCO3
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As ArsenicAs
As ArsenoliteAs2O3
As ArsenopyriteFeAsS
As BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
As LöllingiteFeAs2
NbNiobium
Nb Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Nb Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
SnTin
Sn MalayaiteCaSn(SiO4)O
SbAntimony
Sb AntimonySb
Sb StibiconiteSb3+Sb25+O6(OH)
CsCaesium
Cs Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
CeCerium
Ce Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
TaTantalum
Ta Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
Ta Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ta Microlite GroupA2-mTa2X6-wZ-n
Ta Tantalite-(Mn)MnTa2O6
WTungsten
W ScheeliteCa(WO4)
PbLead
Pb GalenobismutitePbBi2S4
BiBismuth
Bi GalenobismutitePbBi2S4
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Carboniferous
298.9 - 358.9 Ma



ID: 2033223
Unnamed Extrusive Rocks, Carboniferous

Age: Carboniferous (298.9 - 358.9 Ma)

Lithology: Mafic tuff

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Late Carboniferous
298.9 - 323.2 Ma



ID: 3156150
Clackmannan Group

Age: Pennsylvanian (298.9 - 323.2 Ma)

Stratigraphic Name: Clackmannan Group

Lithology: Major:{sandstone}, Minor{siltstone,mudstone}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Early Carboniferous
323.2 - 358.9 Ma



ID: 3192903
Paleozoic sedimentary rocks

Age: Mississippian (323.2 - 358.9 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Worth, R.H. (1920) The Geology of the Meldon Valleys near Okehampton, on the Northern Verge of Dartmoor. Quarterly Journal of the Geological Society of London, 75, 77-114.
McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.
von Knorring, O. (1951) A note on the occurrence of columbite in the Meldon aplite, Devonshire. Mineralogical Magazine, 29, 799-801.
Dearman, W.R. and Claringbull, G.F. (1960) Bavenite from the Meldon aplite quarries, Okehampton, Devonshire. Mineralogical Magazine, 32, 577-578.
Chaudhry, M.N. and Howie, R.A. (1969) Axinites from the Contact Skarns of the Meldon Aplite, Devonshire, England. Mineralogical Magazine, 37, 45-48.
Moss, A. A., Fejer, E. E., and Embrey, P.G. (1969) On the X-ray identification of amblygonite and montebrasite. Mineralogical Magazine, 37, 414–422.
Chaudhry, M.N. and Howie, R.A. (1970) Topaz from the Meldon aplite, Devonshire. Mineralogical Magazine, 37, 717-720.
Chaudry, M.N. (1971) Feldspars from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 38, 179-185.
Chaudhry, M.N. and Howie, R.A. (1973) Lithium aluminium micas from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 39, 289-296.
Chaudhry, M.N. and Howie, R.A. (1973) Muscovite (gilbertite) from the Meldon Aplite. Proceedings of the Ussher Society, 2, 480-481.
Chaudhry, M.N. and Howie, R.A. (1976) Lithium tourmalines from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 40, 747-751.
Symes, R.F. (1977) Datolite and apophyllite from the Mendips. Mineralogical Magazine, 41(319), 410-411. (referring to datolite and apophyllite from the Meldon Aplite Quarry).
Chaudhry, M.N. and Mahmood, A. (1979) Type of distribution of the minerals of the Meldon aplite, Devonshire. Mineralogical Magazine, 43, 307-309.
von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.
Drysdale, D.J. (1985) Petalite and spodumene in the Meldon Aplite, Devon. Mineralogical Magazine, 49, 758-759. [NOTE: this paper requires careful reading, as Kingsbury samples were used; Andy Tindle].
Ryback, G., Nawaz, R., and Farley, E. (1988) Seventh supplementary list of British Isles minerals (Irish). Mineralogical Magazine, 52(365), 267-274.
Drysdale, D.J. (1991) Lithium aluminium silicate minerals and pollucite from Meldon, Devon and San Piero in Campo, Elba. Papers of the Department of Geology, University of Queensland, 12, 286-293. [NOTE: this paper requires careful reading, as Kingsbury samples were used; Andy Tindle].

Documents

Title (click to view)YearAuthor
On the X-ray identification of amblygonite and montebrasite1969Moss A A, Fejer E E & Embrey P G

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