Calcioandyrobertsite-1M  Mineral Data

Calcioandyrobertsite-1M Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
The Mineral News newsletter has expanded to sixteen (16) pages a month and it has added significant features such as frequent book reviews, photographs to supplement new mineral descriptions. Occasional color issues are produced as well.
Your premier supplier of quality mineral specimens from Southern Africa and the world at large
Adamsminerals.com- Online mineral store front for mineral collectors
Our Mission is Simple: RMS will be the go-to portal for all mineral, gem and rock shows in the USA

General Calcioandyrobertsite-1M Information

Help on Chemical  Formula: Chemical Formula: KCaCu5(AsO4)4[As(OH)2O2]•2(H2O)
Help on Composition: Composition: Molecular Weight = 1,129.55 gm
   Potassium   3.46 %  K     4.17 % K2O
   Calcium     3.55 %  Ca    4.96 % CaO
   Copper     28.13 %  Cu   35.21 % CuO
   Arsenic    33.16 %  As   50.87 % As2O5
   Hydrogen    0.54 %  H     4.78 % H2O
   Oxygen     31.16 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KCaCu5(AsO4)4(As(OH)2O2)•2(H2O)
Help on Environment: Environment: Single specimen found at the mine. Forms a series with andyrobertsite.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Tsumeb Mine, Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Andrew C. Roberts (1950-), mineralogist with the Geological Survey of Canada.
Help on Name Pronunciation: Name Pronunciation: Calcioandyrobertsite-1M + Pronunciation Say CALCIOANDYROBERTSITE-1M
Help on Synonym: Synonym: Calcio-andyrobertsite-1M - Renamed Calcioandyrobertsite-1M by Mineralogical Record, v39 (2008), p131
  IMA1997-022
 

Calcioandyrobertsite-1M Image

Click Here for Larger Calcioandyrobertsite-1M Image in a New Browser Window Images:
Click Here for Larger Calcioandyrobertsite-1M Image

Calcioandyrobertsite-1M   Tennantite

Comments: Vein of blue calcioandyrobertsite in massive dark gray tennantite. The vein of calcioandyrobertsite extends for 0.8cm.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Specimen size 1.1 x 0.5 cm.
© John Veevaert

Calcioandyrobertsite-1M Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9776:1:0.9941
Help on Cell Dimensions: Cell Dimensions: a = 9.81, b = 10.034, c = 9.975, Z = 2; beta = 101.84° V = 960.98 Den(Calc)= 3.90
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.64(1), 3.145(0.5), 4.46(0.4),
 

Physical Properties of Calcioandyrobertsite-1M

Help on Cleavage: Cleavage: {100} Good
Help on Color: Color: Electric blue.
Help on Density: Density: 4.011
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale blue
 

Optical Properties of Calcioandyrobertsite-1M

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.064 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1885,KPDmeas= 0.1832,KC= 0.1771
Ncalc = 1.69 - 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.713, b=1.743, g=1.749, bire=0.0360
 

Calculated Properties of Calcioandyrobertsite-1M

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.77 gm/cc
note: Specific Gravity of Calcioandyrobertsite-1M =4.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000202433
Boson Index = 0.999797567
Help on Photoelectric: Photoelectric: PECalcioandyrobertsite-1M = 36.27 barns/electron
U=PECalcioandyrobertsite-1M x relectron= 136.77 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 46.97 (Gamma Ray American Petroleum Institute Units)
Concentration of Calcioandyrobertsite-1M per GRapi unit = 2.13 (%)

Estimated Radioactivity from Calcioandyrobertsite-1M - barely detectable

 

Calcioandyrobertsite-1M Classification

Help on  Dana Class: Dana Class: 42.09.02.04 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.09)where (A)3 (XO4)2 Zq · x(H2O)
  (42.09.02)Souzalite Group
 
42.09.02.01 Souzalite (Mg,Fe)3(Al,Fe)4(PO4)4(OH)6•2(H2O) P1,P 1 Tri
 
42.09.02.02 Gormanite Fe3Al4(PO4)4(OH)6•2(H2O) P1,P 1 Tri
 
42.09.02.03 Andyrobertsite! KCdCu5(AsO4)4[As(OH)2O2]•2(H2O) P 21/m 2/m
 
42.09.02.04 Calcioandyrobertsite-1M! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) P 21/m 2/m
 
42.09.02.05 Calcioandyrobertsite-2O! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) P nma 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.DH.50 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DH -With large and medium-sized cations, (OH, etc.):RO4 < 1:1
 
08.DH.50 Andyrobertsite! KCdCu5(AsO4)4[As(OH)2O2]•2(H2O) P 21/m 2/m
 
08.DH.50 Calcioandyrobertsite-1M! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) P 21/m 2/m
 
08.DH.50 Calcioandyrobertsite-2O! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) P nma 2/m 2/m 2/m
 

Other Calcioandyrobertsite-1M Information

Help on References: References: NAME( AmMin, Vol 84) PHYS. PROP.(AmMin) OPTIC PROP.(AmMin)
Help on See Also: See Also: Links to other databases for Calcioandyrobertsite-1M :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Calcioandyrobertsite-1M using:

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

Visit our Advertisers for Calcioandyrobertsite-1M :

A Bijoux Google Search for Calcioandyrobertsite-1M
Adam's Minerals Google Search for Calcioandyrobertsite-1M
Cape Minerals Google Search for Calcioandyrobertsite-1M
Dakota Matrix Minerals Google Search for Calcioandyrobertsite-1M
Excalibur Mineral Corp. Google Search for Calcioandyrobertsite-1M
Exceptional Minerals Google Search for Calcioandyrobertsite-1M
John Betts Fine Minerals Search for Calcioandyrobertsite-1M
McDougall Minerals Google Search for Calcioandyrobertsite-1M
Mineral News Website Link
Rock and Mineral Shows Google Search for Calcioandyrobertsite-1M
Weinrich Minerals, Inc. Google Search for Calcioandyrobertsite-1M

Ask about Calcioandyrobertsite-1M 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 Espaņol

Print or Cut-and-Paste your Calcioandyrobertsite-1M Specimen Label here :

Calcioandyrobertsite-1M

KCaCu5(AsO4)4[As(OH)2O2]•2(H2O)
Dana No: 42.09.02.04 Strunz No: 08.DH.50
Locality:

 

Notes: