[Newest Minerals] [Mineral Auctions] [Mineral Gallery] The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame Visa, PayPal, and Mastercard are Welcomed General Spencerite InformationZn4(PO4)2(OH)2•3(H2O) |
Molecular Weight = 539.56 gm |
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Zinc 48.48 % Zn 60.34 % ZnO |
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Phosphorus 11.48 % P 26.31 % P2O5 |
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Hydrogen 1.49 % H 13.36 % H2O |
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Oxygen 38.55 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
Zn4(PO4)2(OH)2•3(H2O) |
Secondary mineral in some zinc-bearing hydrothermal deposits. |
Valid Species (Pre-IMA) 1916 |
Hudson Bay mine, about eight km southeast of Salmo, near Nelson, Kootenay district, British Columbia, Canada. Link to MinDat.org Location Data. |
Named for Leonard James Spencer (1870-1959), British mineralogist, formerly Keeper of Minerals, British Museum (Natural History), London, England. |
Spencerite + Pronunciation |
ICSD 9349 |
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PDF 35-631 |
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Spencerite Crystallographya:b:c =1.9774:1:2.1204 |
a = 10.441, b = 5.28, c = 11.196, Z = 2; beta = 116.833° V = 550.76 Den(Calc)= 3.25 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/c |
By Intensity(I/Io): 9.4(1), 3.501(0.55), 2.332(0.3), |
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| Physical Properties of Spencerite{???} Perfect, {???} Imperfect |
White. |
3.12 |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
3 - Calcite |
Non-fluorescent. |
Vitreous - Pearly |
Nonmagnetic |
white |
| Optical Properties of SpenceriteCI meas= -0.015 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.184,KPDmeas= 0.1917,KC= 0.1889 Ncalc = 1.59 - 1.61 Biaxial (-), a=1.586, b=1.602, g=1.606, bire=0.0200 |
| Calculated Properties of SpenceriteBulk Density (Electron Density)=3.03 gm/cc |
note: Specific Gravity of Spencerite =3.12 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PESpencerite = 24.46 barns/electron |
U=PESpencerite x rElectron Density= 74.12 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Spencerite is Not Radioactive | Spencerite Classification42.06.04.02 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.06)where (AB)2 (XO4) Zq · x(H2O) |
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(42.06.04)Strashimirite Group |
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08.DA.40 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DA -With small (and occasionally larger) cations |
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| Other Spencerite InformationNAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Spencerite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Spencerite using: Visit our Advertisers for Spencerite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications e-Rocks Auctions Excalibur Minerals Exceptional Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Spencerite Mineral Data : Ask about Spencerite here : Print or Cut-and-Paste your Spencerite Specimen Label here :
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