| Bushmakinite Mineral Data |
General Bushmakinite Information |
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| Pb2Al(PO4)(VO4)(OH) | |||
| 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 | |||
| Pb2.02Al0.77Cu0.21Zn0.01(PO4)(VO4)0.74(CrO4)0.14SO40.01(OH)1.02 | |||
| Oxidation of galena and tetrahedrite in a quartz vein. (brackebuschite group; structure) | |||
| Approved IMA 2002, Dana # Added | |||
| Berezovskoye gold deposit, middle Ural Mountains, Russia. Link to MinDat.org Location Data. | |||
| Named for Anatolly F. Bushmakin (1947-1999), in recognition of his work on the Berezovskoye deposit. | |||
| IMA2001-031 | |||
Search for Bushmakinite Images | |||
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Bushmakinite Crystallography |
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| a:b:c =1.3302:1:1.4946 | |||
| a = 7.734, b = 5.814, c = 8.69, Z = 2; beta = 112.1° V = 362.04 Den(Calc)= 6.13 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m | |||
| 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 | |||
| Bright yellow. | |||
| Translucent | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| Granular - Generally occurs as anhedral to subhedral crystals in matrix. | |||
| Lamellar - Thin laminae producing a lamellar structure. | |||
| 3-3.5 - Calcite-Copper Penny | |||
| Vitreous (Glassy) | |||
| 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 |
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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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relectron=5.27 gm/cc |
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| Fermion Index = 0.13981 Boson Index = 0.86019 |
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PEBushmakinite =1,121.29 barns/electron |
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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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| 40.2.8.5 (40)Hydrated Phosphates, etc | |||
| (40.2)where A++ (B++)2 (XO4) · x(H2O) | |||
| (40.2.8)Brackebushite Group | |||
| VII/B.24-25 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb | |||
| VII/B.24 - Brackebuschite - Tsumebite group, Bearthite - Jamesite series | |||
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) | |||
| Links to other databases for Bushmakinite : 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 Search for Bushmakinite using: Visit our Advertisers for Bushmakinite : Translate Bushmakinite Mineral Data : Ask about Bushmakinite here : Print or Cut-and-Paste your Bushmakinite Specimen Label here :
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