Mineralogy Database

Tyrolite Mineral Data

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General Tyrolite Information

Help on Chemical  Formula: Chemical Formula: CaCu5(AsO4)2(CO3)(OH)4•6(H2O)
Help on Composition: Composition: Molecular Weight = 871.78 gm
   Calcium    4.60 %  Ca    6.43 % CaO
   Copper    36.45 %  Cu   41.03 % Cu2O
   Arsenic   17.19 %  As   26.36 % As2O5
   Hydrogen   1.85 %  H    16.53 % H2O
   Carbon     1.38 %  C     5.05 % CO2
   Oxygen    38.54 %  O
            ______        ______ 
            100.00 %       95.41 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCu5(AsO4)2(CO3)(OH)4•6(H2O)
Help on Environment: Environment: Secondary copper mineral found with other arsenates and sulfates.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Brixlegg-Schwaz District, Innsbruck, Tyrol, Austria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Name Pronunciation: Name Pronunciation: Tyrolite Say TYROLITE
Help on Synonym: Synonym: Tirolit

Tyrolite Image

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Comments: Blue, crystalline aggregates of tyrolite on matrix.
Location: Lake Serene mine, Index, Snohomish County, Washington, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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Comments: Blue-green flattened, felted, platy crystals of tyrolite to 3mm on matrix.
Location: Centennial Eureka mine, Juab Co., Utah, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Tyrolite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.1839:1:0.1009
Help on Cell Dimensions: Cell Dimensions: a = 10.212, b = 55.51, c = 5.602, Z = 4; V = 3,175.60 Den(Calc)= 1.82
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmma
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 28(1), 2.998(0.8), 14.1(0.8),

Physical Properties of Tyrolite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Blue, Blue green, Green blue, Light green.
Help on Density: Density: 3.1 - 3.2, Average = 3.15
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Sectile - Brittle fracture with slightly sectile shavings possible.
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: pale blue

Optical Properties of Tyrolite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.038 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.797 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3938,KPDmeas= 0.2275,KC= 0.2191
Ncalc = 1.4 - 1.7
Help on Optical Data: Optical Data: Biaxial (-), a=1.694, b=1.726, g=1.73, bire=0.0360, 2V(Calc)=38, 2V(Meas)=36. Dispersion relatively strong.

Calculated Properties of Tyrolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.04 gm/cc
note: Specific Gravity of Tyrolite =3.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004013864
Boson Index = 0.9995986136
Help on Photoelectric: Photoelectric: PETyrolite = 28.07 barns/electron
U=PETyrolite x rElectron Density= 85.39 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tyrolite is Not Radioactive

Tyrolite 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)
  (42.04.03)Dana Group Tyrolite CaCu5(AsO4)2(CO3)(OH)4•6(H2O) Pmma 2/m 2/m 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 Tyrolite 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 Tyrolite :
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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