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Reyerite

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Formula:
(Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2O
Colour:
Colourless, white
Lustre:
Vitreous, Pearly
Hardness:
3 - 4
Crystal System:
Trigonal
Member of:
Name:
Named after Edouard Reyer, Austrian geologist.
Crystal structure related to that of gyrolite.


Hide all sections | Show all sections

Classification of ReyeriteHide

Approved, 'Grandfathered' (first described prior to 1959)
9.EE.35

9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
73.2.2a.1

73 : PHYLLOSILICATES Condensed Tetrahedral Sheets
2 : Condensed Tetrahedral Sheets with double and single layers
16.10.16

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis

Physical Properties of ReyeriteHide

Vitreous, Pearly
Transparency:
Transparent, Translucent
Colour:
Colourless, white
Hardness:
3 - 4 on Mohs scale

Optical Data of ReyeriteHide

Type:
Uniaxial (-)
RI values:
nω = 1.556 - 1.563 nε = 1.558 - 1.563
Max Birefringence:
δ = 0.002
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low

Chemical Properties of ReyeriteHide

Formula:
(Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2O
IMA Formula:
Na2Ca14Al2Si22O58(OH)8 · 6H2O

Crystallography of ReyeriteHide

Crystal System:
Trigonal
Cell Parameters:
a = 9.76 Å, c = 19.06 Å
Ratio:
a:c = 1 : 1.953
Unit Cell V:
1,572.36 ų (Calculated from Unit Cell)

Type Occurrence of ReyeriteHide

Synonyms of ReyeriteHide

Other Language Names for ReyeriteHide

German:Reyerit
Spanish:Reyerita

Relationship of Reyerite to other SpeciesHide

Member of:
Other Members of this group:
Minehillite(K,Na)2-3Ca28Zn4Al4Si40O112(OH)16Hex.
Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2OTrig.

Related Minerals - Nickel-Strunz GroupingHide

9.EE.05BementiteMn7Si6O15(OH)8Mon.
9.EE.10BrokenhilliteMn8Si6O15(OH)10Hex. 6mm : P63mc
9.EE.10Pyrosmalite-(Fe)Fe2+8Si6O15(OH,Cl)10Trig. 3m (3 2/m) : P3m1
9.EE.10FriedeliteMn2+8Si6O15(OH,Cl)10Mon. 2/m : B2/m
9.EE.10Pyrosmalite-(Mn)Mn2+8Si6O15(OH,Cl)10Trig.
9.EE.10Mcgillite(Mn,Fe)8Si6O15(OH)8Cl2Mon. 2/m : B2/m
9.EE.15Nelenite(Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3]Mon.
9.EE.15SchalleriteMn2+16As3Si12O36(OH)17Trig. 3m : P3m1
9.EE.20Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2OMon. 2/m : B2/m
9.EE.20TuperssuatsiaiteNa2Fe3Si8O20(OH)2 · 4H2OMon. 2/m : B2/m
9.EE.20YofortieriteMn5Si8O20(OH)2 · 8-9H2OMon. 2/m : B2/m
9.EE.20WindhoekiteCa2Fe3+2.67[Si8O20](OH)4 · 10H2O Mon. 2/m : B2/m
9.EE.25Falcondoite(Ni,Mg)4Si6O15(OH)2 · 6H2OOrth.
9.EE.25LoughliniteNa2Mg3Si6O16 · 8H2OOrth.
9.EE.25SepioliteMg4(Si6O15)(OH)2 · 6H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.EE.25Kalifersite(K,Na)5Fe3+7Si20O50(OH)6 · 12H2OTric.
9.EE.30GyroliteNaCa16Si23AlO60(OH)8 · 14H2OTric.
9.EE.30OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2OHex.
9.EE.30TungusiteCa4Fe2Si6O15(OH)6
9.EE.35Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2OTrig.
9.EE.40NatrosiliteNa2Si2O5Mon.
9.EE.45MakatiteNa2Si4O8(OH)2 · 4H2OMon. 2/m : P21/b
9.EE.50VarennesiteNa8Mn2Si10O25(OH,Cl)2 · 12H2OOrth.
9.EE.55RaiteNa4Mn2+3Ti0.25Si8O20(OH)2 · 10H2OOrth. 2 2 2 : C2 2 2
9.EE.60IntersiliteNa6Mn2+Ti[Si10O24(OH)](OH)3 · 4H2OMon.
9.EE.65Shafranovskite(Na,K)6(Mn,Fe)3Si9O24 · 6H2OTrig.
9.EE.65ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2OTrig.
9.EE.70ZeophylliteCa13Si10O28(OH)2F8 · 6H2OTrig. 3 : R3
9.EE.75Minehillite(K,Na)2-3Ca28Zn4Al4Si40O112(OH)16Hex.
9.EE.80Fedorite(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2OTric. 1 : P1
9.EE.80Martinite(Na,◻,Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2·4H2OTric. 1 : P1
9.EE.85Lalondeite(Na,Ca)6(Ca,Na)3Si16O38(F,OH)2·3H2OTric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

73.2.2a.2Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2OTrig.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.10.1Bytownite(Ca,Na)[Al(Al,Si)Si2O8]Tric.
16.10.2LisetiteCaNa2Al4Si4O16Orth.
16.10.4Thomsonite-CaNaCa2[Al5Si5O20] · 6H2OOrth. mmm (2/m 2/m 2/m)
16.10.5Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2OOrth.
16.10.6MesoliteNa2Ca2Si9Al6O30 · 8H2OOrth. mm2 : Fdd2
16.10.7Faujasite
16.10.8Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
16.10.9BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
16.10.10Herschelite(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2OTrig.
16.10.11Phillipsite
16.10.12Fedorite(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2OTric. 1 : P1
16.10.13WillhendersoniteKCa[Al3Si3O12] · 5H2OTric.
16.10.14Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2OOrth. mmm (2/m 2/m 2/m)
16.10.15Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2OOrth.
16.10.17Lévyne
16.10.18Clinoptilolite
16.10.19Heulandite
16.10.20GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
16.10.21Stilbite
16.10.22DachiarditeMon.
16.10.23OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
16.10.24PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex.
16.10.25Erionite
16.10.26Paulingite
16.10.27Sodium Dachiardite(Na2,Ca,K2)4-5Al8Si40O96 · 26H2O
16.10.28Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2OHex.
16.10.29RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ReyeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cornu F. & Himmelbauer, A. (1906): Reyerit. Tschermaks Mineralogische und Petrographische Mitteilungen. 25, 519-520
Cornu, F. (1907) The Differentiation of the Minerals of the Mica Zeolite Group. Tschermaks Mineralogische und Petrographische Mitteilungen. 25, 513-521.
Meyer, J. W. & Jaunarajs, K. L. (1961) Synthesis and crystal chemistry of gyrolite and reyerite. American Mineralogist. 46, 913-933.
Mineralogical Magazine (1964) 33: 821-840.
Cann, J. R. (1965) Gyrolite and reyerite from 'S Airde Beinn, northern Mull. Mineralogical Magazine, 35, 1-4.
Clement, S. C. & Ribbe, P. H. (1973) New locality, formula, and proposed structure for reyerite. American Mineralogist 58, 517-522.
Gard, J. A.; Mitsuda, T.; Taylor, H. F. W. (1975) Assarsson's Z-phase and its structural relations to gyrolite, truscottite, and reyerite. Mineralogical Magazine, 40, 325-333.
Merlino, S. (1988) The structure of reyerite, (Na,K)2Ca14Si22Al2O58(OH)8.6H2O. Mineralogical Magazine, 52, 247-255.

Internet Links for ReyeriteHide

Localities for ReyeriteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Greenland (TL)
 
  • Qaasuitsup
    • Nuussuaq Peninsula
Cornu F. & Himmelbauer, A. (1906): Reyerit. Tschermaks Mineralogische und Petrographische Mitteilungen. 25, 519-520; Mineralogical Magazine 1964 33 : 821-840
Réunion Island
André Melle, Nicolas Meisser (4-2010) Contribution à l'Inventaire Minéralogique de l'Ile de La Réunion . Le Cahier des Micromonteurs 110:12-27
UK
 
  • Scotland
    • North West Highlands
      • Isle of Skye
Livingstone, A. (1988): Reyerite, tobermorite, calcian analcime, and bytownite from amygdales in a Skye basalt. Mineralogical Magazine 52, 711-713.
        • near Drynock
Steve Sorrell Collection
    • Strathclyde
      • Isle of Mull
Cann, J.R. (1965) The metamorphism of amygdales at 'S Airde Beinn, Northern Mull. Mineralogical Magazine, vol. 34, n° 268, 92-106.; http://jncc.defra.gov.uk/pdf/gcrdb/GCRsiteaccount21.pdf
[Specimen in the Natural History Museum, London]
USA
 
  • North Carolina
    • Durham Co.
      • Durham
Kenny Gay message 15.09.2005 . Smithsonian Institution Mineral Reference Collection No.171446-00
  • Virginia
    • Brunswick Co.
      • McKenny
Clement, S. C. & Ribbe, P. H. (1973): New locality, formula, and proposed structure for reyerite. American Mineralogist 58, 517-522; Minerals of Virginia 1990 by R. V. Dietrich
Mineral and/or Locality  
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