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Sphaerocobaltite Mineral Data + |
General Sphaerocobaltite Information |
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| CoCO3 | |||
| Molecular Weight = 118.94 gm | |||
| Cobalt 49.55 % Co 63.00 % CoO | |||
| Carbon 10.10 % C 37.00 % CO2 | |||
| Oxygen 40.35 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Co(CO3) | |||
| Altered Co-Ni veins. | |||
| Valid Species (Pre-IMA) 1877 | |||
| Schneeberg, Saxony, Germany. Link to MinDat.org Location Data. | |||
| Named for the composition and form. | |||
| Cobaltocalcite | |||
| ICSD 61066 | |||
| PDF 11-692 | |||
Sphaerocobaltite Image | |||
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Sphaerocobaltite Crystallography |
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| a:c = 1:3.21034 | |||
| a = 4.659, c = 14.957, Z = 6; V = 281.16 Den(Calc)= 4.21 | |||
| Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3c | |||
| By Intensity(I/Io): 2.743(1), 3.551(0.4), 1.702(0.3), | |||
Physical Properties of Sphaerocobaltite |
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| [1011] Perfect, [1011] Perfect, [1011] Perfect | |||
| Gray brown, Pink, Black, Rose red. | |||
| 4.1 | |||
| Transparent to translucent | |||
| Encrustations - Forms crust-like aggregates on matrix. | |||
| Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | |||
| Spherical - Spherical, rounded aggregates. | |||
| 3-4 - Calcite-Fluorite | |||
| Vitreous - Adamantine | |||
| pink | |||
Optical Properties of Sphaerocobaltite |
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| violet red. | |||
| rose red. | |||
| CI meas= 0.051 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.076 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1764,KPDmeas= 0.1811,KC= 0.1908 |
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| Uniaxial (-), e=1.6, w=1.885, bire=0.2850. | |||
Calculated Properties of Sphaerocobaltite |
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relectron=3.93 gm/cc |
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| Fermion Index = 0.0013 Boson Index = 0.9987 |
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PESphaerocobaltite = 17.04 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Sphaerocobaltite is Not Radioactive |
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Sphaerocobaltite Classification |
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| 14.1.1.5 (14)Anhydrous Carbonates | |||
| (14.1)with Simple Formula A+ CO3 | |||
| (14.1.1)Calcite Group (Trigonal: R3¯c) | |||
| V/B.02-70 V - Nitrates, Carbonates and Borates | |||
| V/B - Waterfree carbonates [CO3]2- without unfamiliar anions | |||
| V/B.02 - Calcite group | |||
Other Sphaerocobaltite Information |
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| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | |||
| Links to other databases for Sphaerocobaltite : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - Crocoite.com Mineral Locations 5 - EUROmin Project 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 - Mineral and Gemstone Kingdom 13 -Mineralienatlas (Deutsch) 14 -QUT Mineral Atlas 15 - WWW-MINCRYST Search for Sphaerocobaltite using: Visit our Advertisers for Sphaerocobaltite : Translate Sphaerocobaltite Mineral Data : Ask about Sphaerocobaltite here : Print or Cut-and-Paste your Sphaerocobaltite Specimen Label here :
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