Minrecordite Mineral Data + Say MINRECORDITE


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General Minrecordite Information

Help on Chemical  Formula: Chemical Formula: CaZn(CO3)2
Help on Composition: Composition: Molecular Weight = 225.49 gm
   Calcium  17.77 %  Ca   24.87 % CaO
   Zinc     29.00 %  Zn   36.10 % ZnO
   Carbon   10.65 %  C    39.04 % CO2
   Oxygen   42.57 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaZn(CO3)2
Help on Environment: Environment: Oxidation zone secondary mineral in carbonate-hosted zinc ores.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Tsumeb mine, Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the journal Mineralogical Record.
 

Minrecordite Image

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Minrecordite   Dioptase

Comments: Blue-green dioptase covered with minute, rhombic crystals of transparent minrecordite one mm or less in size.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Picture size 1 cm.
© John Veevaert

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Minrecordite   Wendwilsonite

Comments: Wendell Wilson, publisher, editor-in-chief of the Mineralogical Record, and the person whom wendwilsonite was named after, kindly provided the mineral name pronunciations for minrecordite and wendwilsonite.
Location: Tucson Convention Center, 50th Tucson Gem and Mineral Show, February 14, 2004. Scale: NA.
© Dave Barthelmy

Minrecordite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:3.32679
Help on Cell Dimensions: Cell Dimensions: a = 4.8183, c = 16.0295, Z = 3; V = 322.28 Den(Calc)= 3.49
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.89(1), 1.789(0.4), 1.806(0.33),
Help on Forms: Forms:

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Forms: [ 1 0 1]

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Physical Properties of Minrecordite

Help on Cleavage: Cleavage: [1014] Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 3.45
Help on Diaphaniety: Diaphaniety: Transparent to Translucent
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Pearly
Help on Streak: Streak: white
 

Optical Properties of Minrecordite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.028 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1862,KPDmeas= 0.1884,KC= 0.1916
Help on Optical Data: Optical Data: Uniaxial (-), e=1.55, w=1.75, bire=0.2000.
 

Calculated Properties of Minrecordite

Help on Electron Density: Electron Density:

relectron=3.37 gm/cc
note: rMinrecordite =3.45 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.0135
Boson Index = 0.9865
Help on Photoelectric: Photoelectric:

PEMinrecordite = 16.57 barns/electron
U=PEMinrecordite x relectron= 55.79 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Minrecordite is Not Radioactive

 

Minrecordite Classification

Help on  Dana Class: Dana Class: 14.2.1.4 (14)Anhydrous Carbonates
  (14.2)with Compound Formula A+ B++ (CO3)2
  (14.2.1)Dolomite Group (Trigonal: R3¯)
 
14.2.1.1 Dolomite CaMg(CO3)2 R 3 3
 
14.2.1.2 Ankerite Ca(Fe,Mg,Mn)(CO3)2 R 3 3
 
14.2.1.3 Kutnohorite Ca(Mn,Mg,Fe)(CO3)2 R 3 3
 
14.2.1.4 Minrecordite CaZn(CO3)2 R 3 3
Help on  Strunz Class: Strunz Class: V/B.03-40 V - Nitrates, Carbonates and Borates
  V/B - Waterfree carbonates [CO3]2- without unfamiliar anions
  V/B.03 - Dolomite group
 
V/B.03-10 Dolomite CaMg(CO3)2 R 3 3
 
V/B.03-20 Ankerite Ca(Fe,Mg,Mn)(CO3)2 R 3 3
 
V/B.03-30 Kutnohorite Ca(Mn,Mg,Fe)(CO3)2 R 3 3
 
V/B.03-40 Minrecordite CaZn(CO3)2 R 3 3
 
V/B.03-50 Norsethite BaMg(CO3)2 R 32 3 2
 
V/B.03-70 Huntite CaMg3(CO3)4 R 32 3 2
 
V/B.03-80 Benstonite (Ba,Sr)6(Ca,Mn)6Mg(CO3)13 R 3 3
 

Other Minrecordite Information

Help on References: References: NAME( Dana8) 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 Minrecordite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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

Minrecordite

CaZn(CO3)2
Dana No: 14.2.1.4 Strunz No: V/B.03-40
Locality:

 

Notes:

 

 
   
 
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