General Mrazekite Information Chemical Formula: |
Bi+++2Cu++3(PO4)2O2(OH)2•2(H2O) |
Composition: |
Molecular Weight = 900.59 gm |
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Copper 21.17 % Cu 26.50 % CuO |
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Bismuth 46.41 % Bi 51.74 % Bi2O3 |
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Phosphorus 6.88 % P 15.76 % P2O5 |
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Hydrogen 0.67 % H 6.00 % H2O |
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Oxygen 24.87 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Bi2Cu3(PO4)2O2(OH)2•2(H2O) |
Environment: |
Vesuvianite=grossular skarn invaded by secondary copper, bismuth, and vanadium mineralization. |
IMA Status: |
Approved IMA 1992 |
Locality: |
Benambra, Victoria, Australia. Link to MinDat.org Location Data. |
Name Origin: |
Named for Zdenek Mrazek (1952-1984) who discovered the mineral. |
Name Pronunciation: |
Mrazekite + Pronunciation |
Synonym: |
ICSD 79140 |
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IMA1990-045 |
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PDF 47-1787 |
| | Mrazekite Image
Images:
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Mrazekite Crystallography Axial Ratios: |
a:b:c =1.4323:1:3.3544 |
Cell Dimensions: |
a = 9.057, b = 6.323, c = 21.21, Z = 4; beta = 101.3333° V = 1,190.96 Den(Calc)= 5.02 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n |
X Ray Diffraction: |
By Intensity(I/Io): 3.04(1), 2.924(0.83), 7.625(0.78), |
Crystal Structure:
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Mouse
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| Physical Properties of Mrazekite Cleavage: |
{???} Good |
Color: |
Blue, Cerulean blue. |
Density: |
4.9 |
Diaphaneity: |
Transparent to translucent |
Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Habit: |
Spherical - Spherical, rounded aggregates. |
Hardness: |
2-3 - Gypsum-Calcite |
Luster: |
Vitreous (Glassy) |
Streak: |
blue |
| Optical Properties of Mrazekite Gladstone-Dale: |
CI meas= -0.006 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.018 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1703,KPDmeas= 0.1745,KC= 0.1735 Ncalc = 1.85 - 1.87 Optical Data: |
Biaxial (-), a=1.8, b=1.86-1.87, g=1.9, bire=0.1000 |
| Calculated Properties of Mrazekite Electron Density: |
Bulk Density (Electron Density)=4.36 gm/cc |
note: Specific Gravity of Mrazekite =4.90 gm/cc. Fermion Index: |
Fermion Index = 0.0001208559 |
Boson Index = 0.9998791441 Photoelectric: |
PEMrazekite = 849.08 barns/electron |
U=PEMrazekite x rElectron Density=3,705.04 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Mrazekite is Not Radioactive | Mrazekite Classification Dana Class: |
42.04.15.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.04)where (AB)5 (XO4)2 Zq · x(H2O) |
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(42.04.15)Dana Group |
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Strunz Class: |
08.DJ.40 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DJ -With large and medium-sized cations, (OH, etc.):RO4 = 1:l |
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| Other Mrazekite Information References: |
NAME( Dana8) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) OPTIC PROP.(Bull.Miner.,Vol.107-111,1984-1988) |
See Also: |
Links to other databases for Mrazekite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Mrazekite using: Visit our Advertisers for Mrazekite : A Bijoux Google Search for MrazekiteAdam's Minerals Google Search for Mrazekite Cape Minerals Google Search for Mrazekite Dakota Matrix Minerals Google Search for Mrazekite Excalibur Mineral Corp. Google Search for Mrazekite Exceptional Minerals Google Search for Mrazekite John Betts Fine Minerals Search for Mrazekite McDougall Minerals Google Search for Mrazekite Mineral News Website Link Rock and Mineral Shows Google Search for Mrazekite Weinrich Minerals, Inc. Google Search for Mrazekite Ask about Mrazekite here : Print or Cut-and-Paste your Mrazekite Specimen Label here :
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