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Bushmakinite Mineral Data |
General Bushmakinite Information |
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Pb2Al(PO4)(VO4)(OH) | ||
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Molecular Weight = 667.89 gm | ||
Aluminum 3.11 % Al 5.88 % Al2O3 | |||
Vanadium 5.64 % V 10.08 % V2O5 | |||
Zinc 0.10 % Zn 0.12 % ZnO | |||
Chromium 1.09 % Cr 2.10 % CrO3 | |||
Copper 2.00 % Cu 2.50 % CuO | |||
Phosphorus 4.64 % P 10.63 % P2O5 | |||
Hydrogen 0.15 % H 1.38 % H2O | |||
Lead 62.67 % Pb 67.51 % PbO | |||
Sulfur 0.05 % S 0.12 % SO3 | |||
Oxygen 20.55 % O | |||
______ ______ | |||
100.00 % 100.30 % = TOTAL OXIDE | |||
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Pb2.02Al0.77Cu0.21Zn0.01(PO4)(VO4)0.74(CrO4)0.14SO40.01(OH)1.02 | ||
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Oxidation of galena and tetrahedrite in a quartz vein. (brackebuschite group; structure) | ||
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Approved IMA 2002, Dana # Added | ||
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Berezovskoye gold deposit, middle Ural Mountains, Russia. Link to MinDat.org Location Data. | ||
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Named for Anatolly F. Bushmakin (1947-1999), in recognition of his work on the Berezovskoye deposit. | ||
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IMA2001-031 | ||
Bushmakinite Image | |||
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Bushmakinite Crystallography |
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a:b:c =1.3302:1:1.4946 | ||
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a = 7.734, b = 5.814, c = 8.69, Z = 2; beta = 112.1° V = 362.04 Den(Calc)= 6.13 | ||
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/m | ||
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By Intensity(I/Io): 3.21(1)(211), 4.68(0.8)(011), 2.91(0.7)(212,020,103),2.71(0.7)(021,122), 2.05(0.5)(123,114), 3.57(0.5)(111,200), 2.27(0.4), | ||
Physical Properties of Bushmakinite |
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{001} Perfect, {hk0} Distinct, {hk0} Distinct | ||
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Bright yellow. | ||
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Translucent | ||
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Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
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Granular - Generally occurs as anhedral to subhedral crystals in matrix. | ||
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Lamellar - Thin laminae producing a lamellar structure. | ||
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3-3.5 - Calcite-Copper Penny | ||
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Vitreous (Glassy) | ||
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yellowish | ||
Optical Properties of Bushmakinite |
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CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1675,KC= 0.172 Ncalc = 2.05 |
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Biaxial (-), a=1.99, b=2.03, g=2.06, bire=0.0700, 2V(Calc)=80, 2V(Meas)=large. Dispersion appreciable, r < v. | ||
Calculated Properties of Bushmakinite |
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Bulk Density (Electron Density)=5.27 gm/cc note: Specific Gravity of Bushmakinite =6.13 gm/cc. |
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Fermion Index = 0.13 Boson Index = 0.87 |
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PEBushmakinite =1,121.29 barns/electron U=PEBushmakinite x rElectron Density=5,912.17 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Bushmakinite is Not Radioactive |
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Bushmakinite Classification |
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40.02.08.05 (40)Hydrated Phosphates, etc | ||
(40.02)where A++ (B++)2 (XO4) � x(H2O) | |||
(40.02.08)Brackebushite Group | |||
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08.BG.05 08 - PHOSPHATES, ARSENATES, VANADATES | ||
08.B - Phosphates, etc. with Additional Anions, without H2O | |||
08.BG -With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1 | |||
Other Bushmakinite Information |
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NAME( AmMin, Vol 88, p 475) PHYS. PROP.(AmMin, Vol 88, p 475) OPTIC PROP.(AmMin, Vol 88, p 475) | ||
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Links to other databases for Bushmakinite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Bushmakinite using: Visit our Advertisers for Bushmakinite : Ask about Bushmakinite here : Print or Cut-and-Paste your Bushmakinite Specimen Label here :
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