Mineralogy Database

Cobaltlotharmeyerite Mineral Data

Search Webmineral :
  
Advertisment

General Cobaltlotharmeyerite Information

Help on Chemical  Formula: Chemical Formula: Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2
Help on Composition: Composition: Molecular Weight = 468.87 gm
   Calcium    8.55 %  Ca   11.96 % CaO
   Iron       8.34 %  Fe   10.73 % FeO
   Cobalt    12.57 %  Co   17.69 % Co2O3
   Nickel     3.76 %  Ni    4.78 % NiO
   Arsenic   31.96 %  As   49.02 % As2O5
   Hydrogen   0.71 %  H     6.34 % H2O
   Oxygen    34.12 %  O
            ______        ______ 
            100.00 %      100.51 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCoFe2+0.7Ni0.3(AsO4)2(OH)0.7(H2O)1.3
Help on Environment: Environment: Secondary phosphate mineral in cobalt and nickel-bearing ore dumps. Tsumcorite group.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: 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.
Help on Name Origin: Name Origin: Named as the cobalt dominant analogue of lotharmeyerite,
Help on Synonym: Synonym: ICSD 89036
  IMA1997-027
 

Cobaltlotharmeyerite Image

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

  Cobaltlotharmeyerite

Comments: Brown crystalline aggregates of cobaltlotharmeyerite on matrix.
Location: Sauschwart Mine, Neust├Ądtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm..
© Thomas Witzke / Abraxas-Verlag

Cobaltlotharmeyerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.4484:1:1.1911
Help on Cell Dimensions: Cell Dimensions: a = 9.024, b = 6.23, c = 7.421, Z = 2; beta = 115.15° V = 377.65 Den(Calc)= 4.12
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: 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),
 

Physical Properties of Cobaltlotharmeyerite

Help on Cleavage: Cleavage: None
Help on Color: Color: Brown.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Fan Shaped - Occurs as radiating crystals shaped like a fan.
Help on Habit: Habit: Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: light brown
 

Optical Properties of Cobaltlotharmeyerite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.08 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1958,KC= 0.2129
Ncalc = 1.88
Help on Optical Data: Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.92 gm/cc
note: Specific Gravity of Cobaltlotharmeyerite =4.12 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0024721539
Boson Index = 0.9975278461
Help on Photoelectric: Photoelectric: PECobaltlotharmeyerite = 31.29 barns/electron
U=PECobaltlotharmeyerite x rElectron Density= 122.56 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cobaltlotharmeyerite is Not Radioactive
 

Cobaltlotharmeyerite Classification

Help on  Dana Class: Dana Class: 37.01.06.03 (37)Anhydrous Acid Phosphates, etc
  (37.01)with miscellaneous formulae
  (37.01.06)Lotharmeyerite Series
 
37.01.06.01 Lotharmeyerite CaZnMn(AsO3OH)4(OH)3 C 2/m,C 2,Cm Mono
 
37.01.06.02 Ferrilotharmeyerite Ca(Zn,Cu)(Fe,Zn)(AsO4)2(OH,H2O)2 C 2/m 2/m
 
37.01.06.03 Cobaltlotharmeyerite! Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 
37.01.06.04 Nickellotharmeyerite! Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.CG.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CG -With large and medium-sized cations, RO4:H2O = 1:1
 
08.CG.15 Cobaltlotharmeyerite! Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 
08.CG.15 Ferrilotharmeyerite Ca(Zn,Cu)(Fe,Zn)(AsO4)2(OH,H2O)2 C 2/m 2/m
 
08.CG.15 Cabalzarite! Ca(Mg,Al,Fe)2(AsO4)2(H2O,OH)2 C 2/m 2/m
 
08.CG.15 Mawbyite Pb(FeZn)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 
08.CG.15 Lotharmeyerite CaZnMn(AsO3OH)4(OH)3 C 2/m,C 2,Cm Mono
 
08.CG.15 Mounanaite PbFe2(VO4)2(OH)2 P1 1
 
08.CG.15 Tsumcorite PbZnFe(AsO4)2•(H2O) C 2/m 2/m
 
08.CG.15 Thometzekite Pb(Cu,Zn)2(AsO4)2•2(H2O) C 2/m 2/m
 
08.CG.15 Cobalttsumcorite! Pb(Co,Fe)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 
08.CG.15 Manganlotharmeyerite! Ca(Mn,Mg,)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 
08.CG.15 Nickellotharmeyerite! Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 
08.CG.15 Krettnichite! PbMn2(VO4)2(OH)2 C 2/m 2/m
 
08.CG.15 Schneebergite! Bi(Co,Ni)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 
08.CG.15 Nickelschneebergite! Bi(Ni,Co)2(AsO4)2(OH,H2O)2 C 2/m 2/m
 

Other Cobaltlotharmeyerite Information

Help on References: References: NAME( MinRec, Vol 31, No 4) PHYS. PROP.(MinRec, Vol 31, No 4) OPTIC PROP.(MinRec, Vol 31, No 4)
Help on See Also: See Also: 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:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Cobaltlotharmeyerite :

Ask about Cobaltlotharmeyerite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espa˝ol

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

Cobaltlotharmeyerite

Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2
Dana No: 37.01.06.03 Strunz No: 08.CG.15
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.