Otavite Mineral Data + 
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- 14.1.1.1 Calcite CaCO3 R 3c 3 2/m
- 14.1.1.2 Magnesite MgCO3 R 3c 3 2/m
- 14.1.1.3 Siderite FeCO3 R 3c 3 2/m
- 14.1.1.4 Rhodochrosite MnCO3 R 3c 3 2/m
- 14.1.1.5 Sphaerocobaltite CoCO3 R 3c 3 2/m
- 14.1.1.6 Smithsonite ZnCO3 R 3c 3 2/m
- 14.1.1.7 Otavite CdCO3 R 3c 3 2/m
- 14.1.1.8 Gaspeite (Ni,Mg,Fe)CO3 R 3c 3 2/m
- V/B.02-10 Vaterite CaCO3 P 63/mmc 6/m 2/m 2/m
- V/B.02-20 Calcite CaCO3 R 3c 3 2/m
- V/B.02-30 Magnesite MgCO3 R 3c 3 2/m
- V/B.02-40 Siderite FeCO3 R 3c 3 2/m
- V/B.02-50 Rhodochrosite MnCO3 R 3c 3 2/m
- V/B.02-60 Smithsonite ZnCO3 R 3c 3 2/m
- V/B.02-70 Sphaerocobaltite CoCO3 R 3c 3 2/m
- V/B.02-80 Gaspeite (Ni,Mg,Fe)CO3 R 3c 3 2/m
- V/B.02-90 Otavite CdCO3 R 3c 3 2/m
General Otavite Information |
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 Chemical Formula: |
CdCO3 | ||
| Composition: |
Molecular Weight = 172.42 gm | ||
| Cadmium 65.20 % Cd 74.48 % CdO | |||
| Carbon 6.97 % C 25.52 % CO2 | |||
| Oxygen 27.84 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Cd(CO3) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1906 | ||
| Locality: |
Tsumeb, near Otavi (Namibia). Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after its locality. | ||
| Synonym: |
ICSD 20181 | ||
| PDF 42-1342 | |||
Search for Otavite Images | |||
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Images:
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Otavite Crystallography |
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| Axial Ratios: |
a:c = 1:3.29784 | ||
| Cell Dimensions: |
a = 4.912, c = 16.199, Z = 6; V = 338.48 Den(Calc)= 5.07 | ||
| Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.95(1), 3.78(0.8), 2.46(0.35), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Otavite |
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| Cleavage: |
[1011] Perfect, [1011] Perfect, [1011] Perfect | ||
| Color: |
Yellow brown, White, Reddish, Reddish white. | ||
| Density: |
5.03 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. | ||
| Habit: |
Euhedral Crystals - Occurs as well-formed crystals showing good external form. | ||
| Hardness: |
3.5-4 - Copper Penny-Fluorite | ||
| Luminescence: |
Fluorescent. | ||
| Luster: |
Adamantine - Pearly | ||
| Streak: |
white | ||
Optical Properties of Otavite |
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| Optical Data: |
NCalc= 1.76 - from Gladstone-Dale relationship (KC = 0.1507) where Ncalc=Dcalc*KC+1 NCalc= 1.76 - from Gladstone-Dale relationship (KC = 0.1507) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Otavite |
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| Electron Density: |
relectron=4.59 gm/cc |
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| Fermion Index |
Fermion Index = 0.16408 Boson Index = 0.83592 |
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| Photoelectric: |
PEOtavite = 173.75 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Otavite is Not Radioactive |
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Otavite Classification |
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| Dana Class: |
14.1.1.7 (14)Anhydrous Carbonates | ||
| (14.1)with Simple Formula A+ CO3 | |||
| (14.1.1)Calcite Group (Trigonal: R3¯c) | |||
| Strunz Class: |
V/B.02-90 V - Nitrates, Carbonates and Borates | ||
| V/B - Waterfree carbonates [CO3]2- without unfamiliar anions | |||
| V/B.02 - Calcite group | |||
Other Otavite Information |
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Otavite : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - Crocoite.com Mineral Locations 5 - EUROmin Project 6 - Franklin Minerals(Dunn) 7 -Google Images 8 -Google Scholar 9 -Handbook of Mineralogy (UofA) 10 -MinDAT 11 -MinMax(Deutsch) 12 -MinMax(English) 13 - Mineral and Gemstone Kingdom 14 -Mineralienatlas (Deutsch) 15 -QUT Mineral Atlas 16 -University of Colorado - Mineral Structure Data 17 - WWW-MINCRYST 18 -École des Mines de Paris Search for Otavite using: Visit our Advertisers for Otavite : Translate Otavite Mineral Data : Ask about Otavite here : Print or Cut-and-Paste your Otavite Specimen Label here :
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