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Bushmakinite Mineral Data

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General Bushmakinite Information

Help on Chemical  Formula: Chemical Formula: Pb2Al(PO4)(VO4)(OH)
Help on Composition: Composition: 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
Help on Empirical Formula: Empirical Formula: Pb2.02Al0.77Cu0.21Zn0.01(PO4)(VO4)0.74(CrO4)0.14SO40.01(OH)1.02
Help on Environment: Environment: Oxidation of galena and tetrahedrite in a quartz vein. (brackebuschite group; structure)
Help on IMA Status: IMA Status: Approved IMA 2002, Dana # Added
Help on Locality: Locality: Berezovskoye gold deposit, middle Ural Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Anatolly F. Bushmakin (1947-1999), in recognition of his work on the Berezovskoye deposit.
Help on Synonym: Synonym: IMA2001-031

Bushmakinite Image

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Comments: Small grain of bushmakinite on sample holder.
Location: Beresovskoye Deposit, Middle Urals, Russia. Scale: Grid Size 1 mm.
© Sergey Vasiliev / Systematic Mineralogy

Bushmakinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3302:1:1.4946
Help on Cell Dimensions: Cell Dimensions: a = 7.734, b = 5.814, c = 8.69, Z = 2; beta = 112.1° V = 362.04 Den(Calc)= 6.13
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: 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

Help on Cleavage: Cleavage: {001} Perfect, {hk0} Distinct, {hk0} Distinct
Help on Color: Color: Bright yellow.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Lamellar - Thin laminae producing a lamellar structure.
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellowish

Optical Properties of Bushmakinite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1675,KC= 0.172
Ncalc = 2.05
Help on Optical Data: Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.27 gm/cc
note: Specific Gravity of Bushmakinite =6.13 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEBushmakinite =1,121.29 barns/electron
U=PEBushmakinite x rElectron Density=5,912.17 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bushmakinite is Not Radioactive

Bushmakinite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.02)where A++ (B++)2 (XO4) � x(H2O)
  (40.02.08)Brackebushite Group Brackebuschite Pb2(Mn,Fe)(VO4)2(OH) P 21/m 2/m Arsenbrackebuschite Pb2(Fe,Zn)(AsO4)2•(H2O) P 21/m 2/m Feinglosite! Pb2(Zn,Fe)[(As,S)O4]2•(H2O) P 21,P 21/m Mono Calderonite! Pb2Fe(VO4)2(OH) P 21/m 2/m Bushmakinite! Pb2Al(PO4)(VO4)(OH) P 21/m 2/m
Help on  Strunz Class: Strunz Class: 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
08.BG.05 Arsenbrackebuschite Pb2(Fe,Zn)(AsO4)2•(H2O) P 21/m 2/m
08.BG.05 Bearthite Ca2Al(PO4)2(OH) P 21/m 2/m
08.BG.05 Arsentsumebite Pb2Cu(AsO4)(SO4)(OH) P 21/m 2/m
08.BG.05 Brackebuschite Pb2(Mn,Fe)(VO4)2(OH) P 21/m 2/m
08.BG.05 Feinglosite! Pb2(Zn,Fe)[(As,S)O4]2•(H2O) P 21,P 21/m Mono
08.BG.05 Gamagarite Ba2(Fe,Mn)(VO4)2(OH) P 21/m 2/m
08.BG.05 Goedkenite (Sr,Ca)2Al(PO4)2(OH) P 21/m 2/m
08.BG.05 Tsumebite Pb2Cu(PO4)(SO4)(OH) P 21/m 2/m
08.BG.05 Calderonite! Pb2Fe(VO4)2(OH) P 21/m 2/m
08.BG.05 Bushmakinite! Pb2Al(PO4)(VO4)(OH) P 21/m 2/m
08.BG.05 Tokyoite! Ba2Mn(VO4)2(OH) P 21/m 2/m

Other Bushmakinite Information

Help on References: References: NAME( AmMin, Vol 88, p 475) PHYS. PROP.(AmMin, Vol 88, p 475) OPTIC PROP.(AmMin, Vol 88, p 475)
Help on See Also: See Also: 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

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Dana No: Strunz No: 08.BG.05





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