Mrazekite Mineral Data (original) (raw)

General Mrazekite Information

Help on Chemical Formula: Chemical Formula:

Bi+++2Cu++3(PO4)2O2(OH)2•2(H2O)

Help on Composition: Composition:

Molecular Weight = 900.59 gm

Copper 21.17 % Cu 26.50 % CuO

Bismuth 46.41 % Bi 51.74 % Bi2O3

Phosphorus 6.88 % P 15.76 % P2O5

Hydrogen 0.67 % H 6.00 % H2O

Oxygen 24.87 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Bi2Cu3(PO4)2O2(OH)2•2(H2O)

Help on Environment: Environment:

Vesuvianite=grossular skarn invaded by secondary copper, bismuth, and vanadium mineralization.

Help on IMA Status: IMA Status:

Approved IMA 1992

Help on Locality: Locality:

Benambra, Victoria, Australia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Zdenek Mrazek (1952-1984) who discovered the mineral.

Help on Name Pronunciation: Name Pronunciation:

Mrazekite + Pronunciation Say MRAZEKITE

Help on Synonym: Synonym:

ICSD 79140

IMA1990-045

PDF 47-1787

Mrazekite Image

Click Here for Larger Mrazekite Image in a New Browser Window Images:

Click Here for Larger Mrazekite Image Mrazekite Comments: Blue, prismatic crystal of mrázekite on matrix. Location: Arme Hilfe Mine, Ullersreuth, Hirschberg, Vogtland, Saxony, Germany.Scale: Picture size 1.2 mm. © Thomas Witzke / Abraxas-Verlag

Mrazekite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =1.4323:1:3.3544

Help on Cell Dimensions: Cell Dimensions:

a = 9.057, b = 6.323, c = 21.21, Z = 4; beta = 101.3333° V = 1,190.96 Den(Calc)= 5.02

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.04(1), 2.924(0.83), 7.625(0.78),

Click Here for Large Mrazekite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

| | Ridkosil T , Srein V , Fabry J , Hybler J , Maximov B A , The Canadian Mineralogist , 30 (1992) p.215-224, Mrazekite, Bi2Cu3(OH)2O2(PO4)2.2H2O, a new mineral species, and its crystal structure View Additional jPOWD Structure files for Mrazekite [1] | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Mrazekite

Help on Cleavage: Cleavage:

{???} Good

Help on Color: Color:

Blue, Cerulean blue.

Help on Density: Density:

4.9

Help on Diaphaneity: Diaphaneity:

Transparent to translucent

Help on Habit: Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Help on Habit: Habit:

Spherical - Spherical, rounded aggregates.

Help on Hardness: Hardness:

2-3 - Gypsum-Calcite

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

blue

Optical Properties of Mrazekite

Help on Gladstone-Dale: 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

Help on Optical Data: Optical Data:

Biaxial (-), a=1.8, b=1.86-1.87, g=1.9, bire=0.1000

Calculated Properties of Mrazekite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=4.36 gm/cc
note: Specific Gravity of Mrazekite =4.90 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0001208559
Boson Index = 0.9998791441

Help on Photoelectric: Photoelectric:

PEMrazekite = 849.08 barns/electron
U=PEMrazekite x rElectron Density=3,705.04 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mrazekite is Not Radioactive

Mrazekite Classification

Help on Dana Class: Dana Class:

42.04.15.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.04)where (AB)5 (XO4)2 Zq � x(H2O)

(42.04.15)Dana Group

42.04.15.01 Mrazekite Bi2Cu3(PO4)2O2(OH)2•2(H2O) P 21/n 2/m

Help on Strunz Class: Strunz Class:

08.DJ.40 08 - PHOSPHATES, ARSENATES, VANADATES

08.D - Phosphates, etc

08.DJ -With large and medium-sized cations, (OH, etc.):RO4 = 1:l

08.DJ.40 Mrazekite Bi2Cu3(PO4)2O2(OH)2•2(H2O) P 21/n 2/m

Other Mrazekite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) OPTIC PROP.(Bull.Miner.,Vol.107-111,1984-1988)

Help on See Also: 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

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Ask about Mrazekite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Print or Cut-and-Paste your Mrazekite Specimen Label here :

Mrazekite

Bi+++2Cu++3(PO4)2O2(OH)2•2(H2O)
Dana No: 42.04.15.01 Strunz No: 08.DJ.40
Locality:

Notes: