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Zincrosasite Mineral Data

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General Zincrosasite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Cu)2(CO3)(OH)2
Help on Composition: Composition: Molecular Weight = 223.42 gm
   Zinc      36.58 %  Zn   45.54 % ZnO
   Copper    21.33 %  Cu   26.70 % CuO
   Hydrogen   0.90 %  H     8.06 % H2O
   Carbon     5.38 %  C    19.70 % CO2
   Oxygen    35.81 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn1.25Cu0.75(CO3)(OH)2
Help on Environment: Environment: An inadequately described species.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1959
Help on Locality: Locality: Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the zinc rich member of rosasite.
Help on Name Pronunciation: Name Pronunciation: Zincrosasite + Pronunciation Say ZINCROSASITE
 

Zincrosasite Image

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  Zincrosasite

Comments: Spherical zincrosasite aggregates on limonite.
Location: Kali Kafi Mine, Anarak District, Great Salt Desert, Esfahan, Iran. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Zincrosasite Crystallography

Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
 

Physical Properties of Zincrosasite

Help on Cleavage: Cleavage: {???} Good, {???} Good
Help on Color: Color: White, White green, Light green.
Help on Density: Density: 4 - 4.2, Average = 4.09
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Subadamantine
Help on Streak: Streak: white
 

Optical Properties of Zincrosasite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.1 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2049,KC= 0.1863
Ncalc = 1.75 - 1.78
Help on Optical Data: Optical Data: Biaxial (?), b=1.84
 

Calculated Properties of Zincrosasite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.94 gm/cc
note: Specific Gravity of Zincrosasite =4.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEZincrosasite = 27.66 barns/electron
U=PEZincrosasite x rElectron Density= 108.89 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zincrosasite is Not Radioactive
 

Zincrosasite Classification

Help on  Dana Class: Dana Class: 16a.03.01.04 (16a)Carbonates - Hydroxyl or Halogen
  (16a.03)where (A B)2 (XO3) Zq
  (16a.03.01)Rosasite Group
 
16a.03.01.01 Rosasite (Cu,Zn)2(CO3)(OH)2 P 21/a 2/m
 
16a.03.01.02 Glaukosphaerite (Cu,Ni)2(CO3)(OH)2 P 21/a 2/m
 
16a.03.01.03 Kolwezite (Cu,Co)2(CO3)(OH)2 P1 or P1 Tri
 
16a.03.01.04 Zincrosasite (Zn,Cu)2(CO3)(OH)2 P 21/a 2/m
 
16a.03.01.05 Mcguinnessite (Mg,Cu)2(CO3)(OH)2 P 2/a or P 21/a 2/m
Help on  Strunz Class: Strunz Class: 05.BA.10 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BA -With Cu, Co, Ni, Zn, Mg, Mn
 
05.BA.10 Nullaginite Ni2(CO3)(OH)2 P 21/m,P 21 Mono
 
05.BA.10 Georgeite Cu5(CO3)3(OH)4•6(H2O) None
 
05.BA.10 Malachite Cu2(CO3)(OH)2 P 21/a 2/m
 
05.BA.10 Glaukosphaerite (Cu,Ni)2(CO3)(OH)2 P 21/a 2/m
 
05.BA.10 Mcguinnessite (Mg,Cu)2(CO3)(OH)2 P 2/a or P 21/a 2/m
 
05.BA.10 Kolwezite (Cu,Co)2(CO3)(OH)2 P1 or P1 Tri
 
05.BA.10 Pokrovskite Mg2(CO3)(OH)2•0.5(H2O) P 21/a 2/m
 
05.BA.10 Rosasite (Cu,Zn)2(CO3)(OH)2 P 21/a 2/m
 
05.BA.10 Zincrosasite (Zn,Cu)2(CO3)(OH)2 P 21/a 2/m
 
05.BA.10 Chukanovite! Fe2(CO3)(OH)2 P 21/a 2/m
 

Other Zincrosasite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Zincrosasite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Zincrosasite

(Zn,Cu)2(CO3)(OH)2
Dana No: 16a.03.01.04 Strunz No: 05.BA.10
Locality:

 

Notes:

 

 
   
 


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