Caledonite Mineral Data

Caledonite Mineral Data
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General Caledonite Information

Help on Chemical Formula: Chemical Formula: Pb5Cu2(CO3)(SO4)3(OH)6
Help on Composition: Composition: Molecular Weight = 1,613.34 gm
   Copper     7.88 %  Cu    8.87 % Cu2O
   Hydrogen   0.37 %  H     3.35 % H2O
   Lead      64.21 %  Pb   69.17 % PbO
   Carbon     0.74 %  C     2.73 % CO2
   Sulfur     5.96 %  S    14.89 % SO3
   Oxygen    20.83 %  O
            ______        ______ 
            100.00 %       99.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb5Cu2(CO3)(SO4)3(OH)6
Help on Environment: Environment: Secondary, weathered zone of lead and copper ores.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1932
Help on Locality: Locality: Mammoth Mine at Tiger, Arizona. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Caledonia, the historical name of Scotland.
Help on Name Pronunciation: Name Pronunciation: Caledonite + Pronunciation Say CALEDONITE
Help on Synonym: Synonym: ICSD 2622
  PDF 29-565
 

Caledonite Image

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Caledonite

Comments: Transparent, blue caledonite crystals.
Location: Mammoth mine, Tiger, Pinal County, Arizona, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Caledonite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.8122:1:0.9189
Help on Cell Dimensions: Cell Dimensions: a = 20.088, b = 7.143, c = 6.564, Z = 2; V = 941.86 Den(Calc)= 5.69
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mn21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.849(1), 3.09(0.8), 4.6(0.8),
Help on Forms: Forms:

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Forms: ( 1 1 1) ( 1 0 1) ( 0 1 0) ( 1 4 0) ( 1 2 0) ( 1 3 1) ( 1 0 0)

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Giacovazzo C , Menchetti S , Scordari F , Acta Crystallographica, Section B , 29 (1973) p.1986-1990, The crystal structure of caledonite, Cu2Pb5(SO4)3CO3(OH)6

 

Physical Properties of Caledonite

Help on Cleavage: Cleavage: {001} Perfect, {100} Distinct
Help on Color: Color: Blue, Blue green, Green, Dark green.
Help on Density: Density: 5.7 - 6.4, Average = 6.05
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: greenish white
 

Optical Properties of Caledonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.086 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.028 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1519,KPDmeas= 0.1429,KC= 0.1563
Ncalc = 1.89 - 2
Help on Optical Data: Optical Data: Biaxial (-), a=1.818, b=1.866, g=1.909, bire=0.0910, 2V(Calc)=84, 2V(Meas)=85. Dispersion none.
Help on Pleochroism (x): Pleochroism (x): none.
Help on Pleochroism (y): Pleochroism (y): none.
Help on Pleochroism (z): Pleochroism (z): n.
 

Calculated Properties of Caledonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.91 gm/cc
note: Specific Gravity of Caledonite =5.69 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.14
Boson Index = 0.86
Help on Photoelectric: Photoelectric: PECaledonite =1,146.78 barns/electron
U=PECaledonite x rElectron Density=5,629.99 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Caledonite is Not Radioactive
 

Caledonite Classification
Help on Dana Class: Dana Class: 32.03.02.01 (32)Compound Sulfates
  (32.03)(anhydrous) with poly-anionic formula
  (32.03.02)Dana Group
 
32.03.02.01 Caledonite Pb5Cu2(CO3)(SO4)3(OH)6 P mn21 mm2
Help on Strunz Class: Strunz Class: 07.BC.50 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BC -With medium-sized and large cations
 
07.BC.50 Caledonite Pb5Cu2(CO3)(SO4)3(OH)6 P mn21 mm2
 

Other Caledonite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Caledonite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - MinMax(Deutsch)
12 - MinMax(English)
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST
17 - YupRocks

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Caledonite

Pb5Cu2(CO3)(SO4)3(OH)6
Dana No: 32.03.02.01 Strunz No: 07.BC.50
Locality:

 

Notes: