[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store] See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM] Rare Minerals, Meteorites, Equipment and Analytical Services Excalibur Mineral Company, World leaders in the supply of rare species Serving the scientific and collector communities since 1974 General Lapeyreite InformationCu3O[AsO3(OH)]2•H2O |
Molecular Weight = 504.51 gm |
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Copper 37.79 % Cu 47.30 % CuO |
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Arsenic 29.70 % As 45.56 % As2O5 |
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Hydrogen 0.80 % H 7.14 % H2O |
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Oxygen 31.71 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
Cu3O(AsO3OH)2•(H2O) |
Related to theoparacelsite |
Proposed IMA 2008 (Dana # Added) |
Roua, Dôme de Barrot, Departement Alpes-Maritimes, France Link to MinDat.org Location Data. |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
IMA2003-023b |
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| | Lapeyreite Crystallographya:b:c =6.5249:1:3.131 |
a = 19.158, b = 2.9361, c = 9.193, Z = 2; beta = 103.26° V = 503.32 Den(Calc)= 3.33 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
By Intensity(I/Io): 2.984(1), 3.173(0.9), 2.484(0.8),2.396(0.4), 5.842(0.4), 2.337(0.35), 4.476(0.35), 7.36(0.3), |
| Optical Properties of LapeyreiteNCalc= 1.59 - from Gladstone-Dale relationship (KC = 0.1785) where Ncalc=Dcalc*KC+1 |
| Calculated Properties of LapeyreiteBulk Density (Electron Density)=3.13 gm/cc |
note: Specific Gravity of Lapeyreite =3.33 gm/cc. Fermion Index = 0.0001534208 |
Boson Index = 0.9998465792 PELapeyreite = 37.42 barns/electron |
U=PELapeyreite x rElectron Density= 117.07 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Lapeyreite is Not Radioactive | Lapeyreite Classification41.03.01.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.03)where (A B)3 (XO4) Zq |
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(41.03.01)Clinoclase Group |
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08.XX.00 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.X - Unclassified Strunz PHOSPHATES, ARSENATES, VANADATES |
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08.XX -Arsenites, Basic |
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| Other Lapeyreite Information Links to other databases for Lapeyreite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Lapeyreite using: Visit our Advertisers for Lapeyreite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Lapeyreite Mineral Data : Ask about Lapeyreite here : Print or Cut-and-Paste your Lapeyreite Specimen Label here :
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