General Cobaltlotharmeyerite Information![]() Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2 |
![]() Molecular Weight = 468.87 gm |
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Calcium 8.55 % Ca 11.96 % CaO |
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Iron 8.34 % Fe 10.73 % FeO |
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Cobalt 12.57 % Co 17.69 % Co2O3 |
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Nickel 3.76 % Ni 4.78 % NiO |
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Arsenic 31.96 % As 49.02 % As2O5 |
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Hydrogen 0.71 % H 6.34 % H2O |
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Oxygen 34.12 % O |
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100.00 % 100.51 % = TOTAL OXIDE |
![]() CaCoFe2+0.7Ni0.3(AsO4)2(OH)0.7(H2O)1.3 |
![]() Secondary phosphate mineral in cobalt and nickel-bearing ore dumps. Tsumcorite group. |
![]() Approved IMA 1998 (Dana # Added) |
![]() On dump material from the mining area "Am RotenBerg," approximately 4.8 km SW of the center of Schneeberg, Saxony, Germay. Link to MinDat.org Location Data. |
![]() Named as the cobalt dominant analogue of lotharmeyerite, |
![]() ICSD 89036 |
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IMA1997-027 |
| | Cobaltlotharmeyerite Image
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Cobaltlotharmeyerite Crystallography![]() a:b:c =1.4484:1:1.1911 |
![]() a = 9.024, b = 6.23, c = 7.421, Z = 2; beta = 115.15° V = 377.65 Den(Calc)= 4.12 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
![]() By Intensity(I/Io): 2.545(1), 2.828(0.88), 3.188(0.85),2.972(0.82), 4.955(0.66), 3.398(0.54), 3.115(0.51), |
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| Physical Properties of Cobaltlotharmeyerite![]() None |
![]() Brown. |
![]() Translucent |
![]() Aggregates - Made of numerous individual crystals or clusters. |
![]() Fan Shaped - Occurs as radiating crystals shaped like a fan. |
![]() Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape. |
![]() 4.5 - Between Fluorite and Apatite |
![]() Vitreous - Adamantine |
![]() light brown |
| Optical Properties of Cobaltlotharmeyerite![]() CI calc= 0.08 (Poor) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.1958,KC= 0.2129 Ncalc = 1.88 ![]() Biaxial (+), a=1.78, b=1.79, g=1.85, bire=0.0700, 2V(Calc)=46, 2V(Meas)=48. Dispersion r > v distinct. |
| Calculated Properties of Cobaltlotharmeyerite![]() Bulk Density (Electron Density)=3.92 gm/cc |
note: Specific Gravity of Cobaltlotharmeyerite =4.12 gm/cc. ![]() Fermion Index = 0.0024721539 |
Boson Index = 0.9975278461 ![]() PECobaltlotharmeyerite = 31.29 barns/electron |
U=PECobaltlotharmeyerite x rElectron Density= 122.56 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Cobaltlotharmeyerite is Not Radioactive | Cobaltlotharmeyerite Classification![]() 37.01.06.03 (37)Anhydrous Acid Phosphates, etc |
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(37.01)with miscellaneous formulae |
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(37.01.06)Lotharmeyerite Series |
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![]() 08.CG.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.C - Phosphates without Additional Anions, with H2O |
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08.CG -With large and medium-sized cations, RO4:H2O = 1:1 |
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| Other Cobaltlotharmeyerite Information![]() NAME( MinRec, Vol 31, No 4) PHYS. PROP.(MinRec, Vol 31, No 4) OPTIC PROP.(MinRec, Vol 31, No 4) |
![]() Links to other databases for Cobaltlotharmeyerite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (UofA) 7 - MinDAT 8 - Mineralienatlas (Deutsch) 9 - Online Mineral Museum 10 - QUT Mineral Atlas 11 - Ruff.Info Search for Cobaltlotharmeyerite using: Visit our Advertisers for Cobaltlotharmeyerite : A Bijoux Google Search for CobaltlotharmeyeriteAdam's Minerals Google Search for Cobaltlotharmeyerite Cape Minerals Google Search for Cobaltlotharmeyerite Dakota Matrix Minerals Google Search for Cobaltlotharmeyerite Excalibur Mineral Corp. Google Search for Cobaltlotharmeyerite Exceptional Minerals Google Search for Cobaltlotharmeyerite John Betts Fine Minerals Search for Cobaltlotharmeyerite McDougall Minerals Google Search for Cobaltlotharmeyerite Mineral News Website Link Rock and Mineral Shows Google Search for Cobaltlotharmeyerite Weinrich Minerals, Inc. Google Search for Cobaltlotharmeyerite Ask about Cobaltlotharmeyerite here : Print or Cut-and-Paste your Cobaltlotharmeyerite Specimen Label here :
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