Copiapite  Mineral Data

Copiapite Mineral Data

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

Advertisment
For more than thirty (30) years, Excalibur Mineral Corp. has been providing private collectors, researchers, major universities and museums throughout the world with reliably identified, rare and unusual mineral samples for science an
McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs
Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.
Your premier supplier of quality mineral specimens from Southern Africa and the world at large

General Copiapite Information

Help on Chemical  Formula: Chemical Formula: Fe++Fe+++4(SO4)6(OH)2•20(H2O)
Help on Composition: Composition: Molecular Weight = 1,249.94 gm
   Iron      22.34 %  Fe    5.75 % FeO / 25.55 % Fe2O3
   Hydrogen   3.39 %  H    30.27 % H2O
   Sulfur    15.39 %  S    38.43 % SO3
   Oxygen    58.88 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Fe3+4(SO4)6(OH)2•20(H2O)
Help on Environment: Environment: Oxidized iron sulfide deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1833
Help on Locality: Locality: Copiapo, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Copiapite + Pronunciation Say COPIAPITE
Help on Synonym: Synonym: ICSD 10276
  Janosite
  Misy
  PDF 35-583
 

Copiapite Image

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

Copiapite

Comments: Brownish yellow tabular crystals of copiapite.
Location: Saghand, near Yazd, Yadz Province, Iran. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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

Copiapite   Rozenite   Ferrinatrite

Comments: White powdery rozenite coating with yellow ferrinatrite on purple copiapite.
Location: Le Cetine Mine, Siena, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Copiapite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3852:1:0.3933
Help on Cell Dimensions: Cell Dimensions: a = 7.227, b = 18.76, c = 7.379, Z = 1; alpha = 91.46°, beta = 102.18°, gamma = 98.95° V = 965.69 Den(Calc)= 2.15
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.23(1), 18.4(1), 5.57(0.7),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 0 1 2) ( 1 2 0) ( 0 1 0) ( 1 0 1) ( 1 0 1) ( 1 0 0) ( 0 1 1) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.

Click Here for Large Copiapite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate

Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above


Fanfani L , Nunzi A , Zanazzi P F , Zanzari A R , American Mineralogist , 58 (1973) p.314-322, The copiapite problem: The crystal structure of a ferrian copiapite

 

Physical Properties of Copiapite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Green, Green yellow, Yellow, Yellow green, Golden yellow.
Help on Density: Density: 2.1
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Pearly
Help on Magnetism: Magnetism: Magnetic
Help on Streak: Streak: pale yellow
 

Optical Properties of Copiapite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.025 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2557,KPDmeas= 0.2617,KC= 0.2622
Ncalc = 1.55 - 1.56
Help on Optical Data: Optical Data: Biaxial (+), a=1.506-1.54, b=1.528-1.549, g=1.575-1.6, bire=0.0600-0.0690, 2V(Calc)=48-72, 2V(Meas)=45-74. Dispersion none.
Help on Pleochroism (x): Pleochroism (x): none.
Help on Pleochroism (y): Pleochroism (y): none.
 

Calculated Properties of Copiapite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.14 gm/cc
note: Specific Gravity of Copiapite =2.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.006178207
Boson Index = 0.993821793
Help on Photoelectric: Photoelectric: PECopiapite = 7.42 barns/electron
U=PECopiapite x rElectron Density= 15.85 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Copiapite is Not Radioactive
 

Copiapite Classification

Help on  Dana Class: Dana Class: 31.10.05.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.10)miscellaneous
  (31.10.05)Copiapite Group
 
31.10.05.01 Copiapite FeFe4(SO4)6(OH)2•20(H2O) P1 1
 
31.10.05.02 Magnesiocopiapite MgFe4(SO4)6(OH)2•20(H2O) P1 1
 
31.10.05.03 Cuprocopiapite CuFe4(SO4)6(OH)2•20(H2O) P1 1
 
31.10.05.04 Ferricopiapite Fe2/3Fe4(SO4)6(OH)2•20(H2O) P1 1
 
31.10.05.05 Calciocopiapite CaFe4(SO4)6(OH)2•19(H2O) P1 1
 
31.10.05.06 Zincocopiapite ZnFe4(SO4)6(OH)2•18(H2O) P1 1
 
31.10.05.07 Aluminocopiapite Al2/3Fe4(SO4)6O(OH)2•20(H2O) P1 1
Help on  Strunz Class: Strunz Class: 07.DB.35 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DB -With only medium-sized cations; insular octahedra and finite groups
 
07.DB.35 Aluminocopiapite Al2/3Fe4(SO4)6O(OH)2•20(H2O) P1 1
 
07.DB.35 Copiapite FeFe4(SO4)6(OH)2•20(H2O) P1 1
 
07.DB.35 Calciocopiapite CaFe4(SO4)6(OH)2•19(H2O) P1 1
 
07.DB.35 Cuprocopiapite CuFe4(SO4)6(OH)2•20(H2O) P1 1
 
07.DB.35 Ferricopiapite Fe2/3Fe4(SO4)6(OH)2•20(H2O) P1 1
 
07.DB.35 Magnesiocopiapite MgFe4(SO4)6(OH)2•20(H2O) P1 1
 
07.DB.35 Zincocopiapite ZnFe4(SO4)6(OH)2•18(H2O) P1 1
 

Other Copiapite Information

Help on See Also: See Also: Links to other databases for Copiapite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - CalTech Mineral Spectroscopy
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - NSDL Reciprocal Net (JAVA)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST

Search for Copiapite using:

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

Visit our Advertisers for Copiapite :

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

Ask about Copiapite 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 Copiapite Specimen Label here :

Copiapite

Fe++Fe+++4(SO4)6(OH)2•20(H2O)
Dana No: 31.10.05.01 Strunz No: 07.DB.35
Locality:

 

Notes: