[How the Club Works] [Memberships - Junior, Deluxe , and Platinum] [FAQ] [Past Minerals] Join the Club - Junior, Deluxe and Platinum Memberships Available High Quality Minerals Sent to Your Home or School Each Month Mineral of the Month Club - An Inexpensive Way to Enjoy Minerals General Rammelsbergite InformationNiAs2 |
Molecular Weight = 208.53 gm |
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Nickel 28.14 % Ni |
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Arsenic 71.86 % As |
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100.00 % |
NiAs2 |
In Ni and Co veins formed at moderate temperatures. |
Valid Species (Pre-IMA) 1854 |
Schneeberg District, Erzgebirge, Saxony, Germany. Link to MinDat.org Location Data. |
Named after the German chemist and mineralogist, K. F. Rammelsberg (1812-1899). |
Rammelsbergite + Pronunciation |
ICSD 42571 |
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PDF 14-Nov |
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Rammelsbergite Crystallographya:b:c =0.8269:1:0.6107 |
a = 4.78, b = 5.78, c = 3.53, Z = 2; V = 97.53 Den(Calc)= 7.10 |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm |
By Intensity(I/Io): 2.552(1), 2.476(0.9), 2.843(0.65), |
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| Physical Properties of Rammelsbergite{???} Indistinct |
Tin white, Reddish white. |
7.1 |
Opaque |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
Massive - Granular - Common texture observed in granite and other igneous rock. |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
5.5 - Knife Blade |
Non-fluorescent. |
Metallic |
Nonmagnetic |
grayish black |
| Optical Properties of RammelsbergiteStrong, especially in blues. |
White, pure. |
Weak, in yellow to pinkish hue and bluish white. |
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| Calculated Properties of RammelsbergiteBulk Density (Electron Density)=6.40 gm/cc |
note: Specific Gravity of Rammelsbergite =7.10 gm/cc. Fermion Index = 0.0031802946 |
Boson Index = 0.9968197054 PERammelsbergite = 63.48 barns/electron |
U=PERammelsbergite x rElectron Density= 406.30 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Rammelsbergite is Not Radioactive | Rammelsbergite Classification02.12.02.12 (02)Sulfides - Including Selenides and Tellurides |
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(02.12)where Am Bn Xp, with (m+n):p=1:2 |
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(02.12.02)Marcasite Group (Orthorhombic: Pnnm) |
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02.EB.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.E - Metal Sulfides, M:S £ 1:2 |
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02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc. |
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| Other Rammelsbergite InformationNAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
Links to other databases for Rammelsbergite : |
1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - Franklin Minerals(Dunn) 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - MinMax(Deutsch) 13 - MinMax(English) 14 - Mineral and Gemstone Kingdom 15 - Mineralienatlas (Deutsch) 16 - QUT Mineral Atlas 17 - Ruff.Info 18 - Scandinavian mineral gallery 19 - WWW-MINCRYST Search for Rammelsbergite using: Visit our Advertisers for Rammelsbergite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals 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 Rammelsbergite Mineral Data : Ask about Rammelsbergite here : Print or Cut-and-Paste your Rammelsbergite Specimen Label here :
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