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Diamond Rocks, Mourne Mountains, Co. Down, Ulster, Northern Ireland, UKi
Regional Level Types
Diamond Rocks- not defined -
Mourne MountainsMountain Range
Co. DownCounty
UlsterProvince
Northern IrelandConstituent Country
UKCountry

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Key
Latitude & Longitude (WGS84):
54° 11' 38'' North , 5° 57' 59'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Newcastle7,444 (2016)5.7km
Castlewellan2,499 (2016)7.2km
Annalong1,760 (2016)10.5km
Dundrum1,090 (2016)10.6km
Rathfriland2,063 (2016)14.4km


Miarolitic cavities in granite. Commercial collecting began in early 19th century by ‘Diamond Pat’ (Patrick Doran).
Southern slope of Slieve-na-glough. Grid locality J33253289

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Dr Richard Unitt (Personal Observation)
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Burke, K. C., Cunningham, M. A., Gallagher, M. J., & Hawkes, J. R. (1964). Beryl in the Rosses granite, north-west Ireland. Economic Geology, 59(8), 1539-1550.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Proceedings of Irish Societies The Irish NaturalistVol. 1, No. 5 (Aug., 1892), pp. 100-102; Proceedings of Irish Societies The Irish Naturalist Vol. 1, No. 5 (Aug., 1892), pp. 100-102
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Dr Richard Unitt (personal observation)
'Feldspar Group'
Fluorite
Formula: CaF2
Reference: Dr Richard Unitt (Personal Observation); Burke, K. C., Cunningham, M. A., Gallagher, M. J., & Hawkes, J. R. (1964). Beryl in the Rosses granite, north-west Ireland. Economic Geology, 59(8), 1539-1550.
'Gadolinite'
Reference: Burke, K. C., Cunningham, M. A., Gallagher, M. J., & Hawkes, J. R. (1964). Beryl in the Rosses granite, north-west Ireland. Economic Geology, 59(8), 1539-1550.
'Mica Group'
Reference: Proceedings of Irish Societies The Irish NaturalistVol. 1, No. 5 (Aug., 1892), pp. 100-102; Proceedings of Irish Societies The Irish Naturalist Vol. 1, No. 5 (Aug., 1892), pp. 100-102
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Dr Richard Unitt (personal observation)
Opal
Formula: SiO2 · nH2O
Reference: Trevor Boyd Collection
Opal var: Opal-AN
Formula: SiO2 · nH2O
Reference: Trevor Boyd Collection
Orthoclase
Formula: K(AlSi3O8)
Description: This locality may or may not have disordered potash feldspar. Has this specimen been tested by methods such as Wright and Stewart? Historical orthoclase has been increasingly shown to be microcline.
Reference: Dr Richard Unitt (Personal Observation); Proceedings of Irish Societies The Irish NaturalistVol. 1, No. 5 (Aug., 1892), pp. 100-102; Proceedings of Irish Societies The Irish Naturalist Vol. 1, No. 5 (Aug., 1892), pp. 100-102
Quartz
Formula: SiO2
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Proceedings of Irish Societies The Irish NaturalistVol. 1, No. 5 (Aug., 1892), pp. 100-102; Proceedings of Irish Societies The Irish Naturalist Vol. 1, No. 5 (Aug., 1892), pp. 100-102
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Proceedings of Irish Societies The Irish NaturalistVol. 1, No. 5 (Aug., 1892), pp. 100-102; Proceedings of Irish Societies The Irish Naturalist Vol. 1, No. 5 (Aug., 1892), pp. 100-102
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-
'Gadolinite'-
'Mica Group'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-
'Gadolinite'-
'Mica Group'-
Opal
var: Opal-AN
-SiO2 · nH2O
Quartz
var: Smoky Quartz
-SiO2
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Opal (var: Opal-AN)SiO2 · nH2O
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H OpalSiO2 · nH2O
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O TopazAl2(SiO4)(F,OH)2
O BerylBe3Al2(Si6O18)
O QuartzSiO2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O ZirconZr(SiO4)
O AlbiteNa(AlSi3O8)
O OrthoclaseK(AlSi3O8)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O Opal (var: Opal-AN)SiO2 · nH2O
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Quartz (var: Smoky Quartz)SiO2
O OpalSiO2 · nH2O
FFluorine
F TopazAl2(SiO4)(F,OH)2
F FluoriteCaF2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al TopazAl2(SiO4)(F,OH)2
Al BerylBe3Al2(Si6O18)
Al AlbiteNa(AlSi3O8)
Al OrthoclaseK(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si TopazAl2(SiO4)(F,OH)2
Si BerylBe3Al2(Si6O18)
Si QuartzSiO2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si ZirconZr(SiO4)
Si AlbiteNa(AlSi3O8)
Si OrthoclaseK(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Opal (var: Opal-AN)SiO2 · nH2O
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si Quartz (var: Smoky Quartz)SiO2
Si OpalSiO2 · nH2O
KPotassium
K OrthoclaseK(AlSi3O8)
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca FluoriteCaF2
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
ZrZirconium
Zr ZirconZr(SiO4)

External Links


Other Regions, Features and Areas containing this locality

British IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
North Atlantic Igneous ProvinceLarge Igneous Province

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