Santanaite Mineral Data

Santanaite Mineral Data
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General Santanaite Information

Help on Chemical Formula: Chemical Formula: Pb++9Pb++++2CrO16
Help on Composition: Composition: Molecular Weight = 2,587.19 gm
   Chromium   2.01 %  Cr    3.86 % CrO3
   Lead      88.10 %  Pb   77.64 % PbO / 18.49 % PbO2
   Oxygen     9.89 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb9Pb2CrO16
Help on Environment: Environment: Alteration product of galena with other chromium-bearing minerals in an oxidized hydrothermal lead deposit.
Help on IMA Status: IMA Status: Approved IMA 1972
Help on Locality: Locality: Santa Ana mine, near Caracoles, Sierra Gorda district, Antofagasta, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Santanaite + Pronunciation Say SANTANAITE
 

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Santanaite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:4.41196
Help on Cell Dimensions: Cell Dimensions: a = 9.03, c = 39.84, Z = 6; V = 2,813.36 Den(Calc)= 9.16
Help on Crystal System: Crystal System: Hexagonal - TrapezohedralH-M Symbol (6 2 2) Space Group: P 6322
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.539(1), 2.606(0.8), 2.08(0.5),
 

Physical Properties of Santanaite

Help on Cleavage: Cleavage: {0001} Perfect, {1210} Perfect
Help on Color: Color: Straw yellow.
Help on Density: Density: 9.155
Help on Hardness: Hardness: 4 - Fluorite
 

Optical Properties of Santanaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.018 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1332,KPDmeas= 0.1333,KC= 0.1356
Ncalc = 2.24
Help on Optical Data: Optical Data: Uniaxial (-), e=2.12, w=2.32, bire=0.2000.
 

Calculated Properties of Santanaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.46 gm/cc
note: Specific Gravity of Santanaite =9.16 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.19
Boson Index = 0.81
Help on Photoelectric: Photoelectric: PESantanaite =1,660.31 barns/electron
U=PESantanaite x rElectron Density=12384.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Santanaite is Not Radioactive
 

Santanaite Classification
Help on Dana Class: Dana Class: 35.04.01.01 (35)Anhydrous Chromates
  (35.04)with miscellaneous formulae
  (35.04.01)Dana Group
 
35.04.01.01 Santanaite Pb9Pb2CrO16 P 6322 6 2 2
Help on Strunz Class: Strunz Class: 07.FB.10 07 - SULFATES (SELENATES, TELLURATES)
  07.F - Chromates
  07.FB -With additional O, V, S, Cl
 
07.FB.10 Santanaite Pb9Pb2CrO16 P 6322 6 2 2
 

Other Santanaite Information
Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Santanaite :
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

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Print or Cut-and-Paste your Santanaite Specimen Label here :

Santanaite

Pb++9Pb++++2CrO16
Dana No: 35.04.01.01 Strunz No: 07.FB.10
Locality:

 

Notes: