Mineralogy Database

Carbonatecyanotrichite Mineral Data

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General Carbonatecyanotrichite Information

Help on Chemical  Formula: Chemical Formula: Cu++4Al2(CO3,SO4)(OH)12•2(H2O)
Help on Composition: Composition: Molecular Weight = 620.53 gm
   Aluminum   8.70 %  Al   16.43 % Al2O3
   Copper    40.96 %  Cu   51.28 % CuO
   Hydrogen   2.60 %  H    23.23 % H2O
   Carbon     1.28 %  C     4.68 % CO2
   Sulfur     1.76 %  S     4.39 % SO3
   Oxygen    44.71 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu4Al2(CO3)0.66(SO4)0.34(OH)12•2(H2O)
Help on Environment: Environment: Oxidation weathering product of sulfides.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: Balasauskankyk, in NW Kara-Tau area, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the composition and structural similarity to cyanotrichite, Greek for "blue hair".
Help on Name Pronunciation: Name Pronunciation: Carbonatecyanotrichite + Pronunciation Say CARBONATECYANOTRICHITE
Help on Synonym: Synonym: Carbonate-cyanotrichite - Renamed Carbonatecyanotrichite by Mineralogical Record, v39 (2008), p131

Carbonatecyanotrichite Image

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Comments: Bright blue micro crystals of carbonate-cyanotrichite on matrix.
Location: Widowmaker mine, Fry Canyon, San Juan Co., Utah, USA. Scale: Crystal size 0.1 mm.
© Tom Loomis / Dakota Matrix

Carbonatecyanotrichite Crystallography

Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.21(1), 10.1(1), 2.01(0.6),3.33(0.6), 5.03(0.6), 2.51(0.5), 2.77(0.5), 5.63(0.5),

Physical Properties of Carbonatecyanotrichite

Help on Color: Color: Blue, Greenish blue, Azure blue.
Help on Density: Density: 2.65 - 2.67, Average = 2.66
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Silky

Optical Properties of Carbonatecyanotrichite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.106 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.241,KC= 0.2178
Ncalc = 1.58
Help on Optical Data: Optical Data: Biaxial (+), a=1.616, b=1.63, g=1.677, bire=0.0610, 2V(Calc)=60, 2V(Meas)=55-60. Dispersion strong, r > v.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (z): Pleochroism (z): bright blue.

Calculated Properties of Carbonatecyanotrichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.62 gm/cc
note: Specific Gravity of Carbonatecyanotrichite =2.66 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004907929
Boson Index = 0.9995092071
Help on Photoelectric: Photoelectric: PECarbonatecyanotrichite = 17.94 barns/electron
U=PECarbonatecyanotrichite x rElectron Density= 47.09 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Carbonatecyanotrichite is Not Radioactive

Carbonatecyanotrichite Classification

Help on  Dana Class: Dana Class: 16b.07.07.01 (16b)Carbonates - Hydroxyl or Halogen
  (16b.07)Dana Type
  (16b.07.07)Dana Group
16b.07.07.01 Carbonatecyanotrichite Cu4Al2(CO3,SO4)(OH)12•2(H2O) Unk Ortho
Help on  Strunz Class: Strunz Class: 07.DE.10 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DE -With only medium-sized cations; unclassified
07.DE.10 Cyanotrichite Cu4Al2(SO4)(OH)12•2(H2O) Unk Ortho
07.DE.10 Carbonatecyanotrichite Cu4Al2(CO3,SO4)(OH)12•2(H2O) Unk Ortho

Other Carbonatecyanotrichite Information

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

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Dana No: 16b.07.07.01 Strunz No: 07.DE.10





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