Mineralogy Database

Clinotyrolite Mineral Data

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General Clinotyrolite Information

Help on Chemical  Formula: Chemical Formula: Ca2Cu9[(As,S)O4]4(OH)10•10(H2O)
Help on Composition: Composition: Molecular Weight = 1,562.71 gm
   Calcium    5.13 %  Ca    7.18 % CaO
   Copper    36.60 %  Cu   41.20 % Cu2O
   Arsenic   18.22 %  As   27.94 % As2O5
   Hydrogen   1.97 %  H    17.58 % H2O
   Sulfur     0.62 %  S     1.54 % SO3
   Oxygen    37.47 %  O
            ______        ______ 
            100.00 %       95.44 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Cu9(AsO4)3.8(SO4)0.3(OH)9.9•10.3(H2O)
Help on Environment: Environment: In the oxidized zone of a copper deposit.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Dongchuan copper mine, Yunnan Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the monoclinic symmetry and relationship to tyrolite.
Help on Name Pronunciation: Name Pronunciation: Clinotyrolite + Pronunciation Say CLINOTYROLITE

Clinotyrolite Image

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  Clinotyrolite   Azurite

Comments: Light blue acicular crystals of clinotyrolite on dark blue azurite.
Location: Lovelock mine, Churchill County, Nevada, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Clinotyrolite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.8908:1:4.9658
Help on Cell Dimensions: Cell Dimensions: a = 10.513, b = 5.56, c = 27.61, Z = 2; beta = 94° V = 1,609.94 Den(Calc)= 3.22
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.673(1), 2.96(1), 4.81(0.9),

Physical Properties of Clinotyrolite

Help on Color: Color: Emerald green.
Help on Density: Density: 3.22
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Habit: Habit: Foliated - Two dimensional platy forms.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Luster: Luster: Silky - Pearly
Help on Streak: Streak: light green

Optical Properties of Clinotyrolite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.034 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2118,KPDmeas= 0.2118,KC= 0.2193
Ncalc = 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.666, b=1.686, g=1.694, bire=0.0280, 2V(Calc)=62, 2V(Meas)=65-66.

Calculated Properties of Clinotyrolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.11 gm/cc
note: Specific Gravity of Clinotyrolite =3.22 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002982302
Boson Index = 0.9997017698
Help on Photoelectric: Photoelectric: PEClinotyrolite = 28.92 barns/electron
U=PEClinotyrolite x rElectron Density= 89.93 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinotyrolite is Not Radioactive

Clinotyrolite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.04)where (AB)5 (XO4)2 Zq � x(H2O)
  (42.04.04)Dana Group Clinotyrolite Ca2Cu9[(As,S)O4]4(OH)10•10(H2O) P 2/a 2/m
Help on  Strunz Class: Strunz Class: 08.DM.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DM -With large and medium-sized cations, (OH, etc.):RO4 > 2:1
08.DM.10 Clinotyrolite Ca2Cu9[(As,S)O4]4(OH)10•10(H2O) P 2/a 2/m
08.DM.10 Tyrolite CaCu5(AsO4)2(CO3)(OH)4•6(H2O) Pmma 2/m 2/m 2/m

Other Clinotyrolite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(AntBidBlaNic4) OPTIC PROP.(AntBidBlaNic4)
Help on See Also: See Also: Links to other databases for Clinotyrolite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 08.DM.10





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