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Montetrisaite Mineral Data

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General Montetrisaite Information

Help on Chemical  Formula: Chemical Formula: Cu6(SO4)(OH)10•H2O
Help on Composition: Composition: Molecular Weight = 658.76 gm
   Zinc       0.30 %  Zn    0.37 % ZnO
   Copper    57.59 %  Cu   72.09 % CuO
   Hydrogen   1.84 %  H    16.41 % H2O
   Sulfur     4.53 %  S    11.30 % SO3
   Oxygen    35.75 %  O
            ______        ______ 
            100.00 %      100.17 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu5.97Zn0.03(OH)10•(H2O)(SO4)0.93
Help on Environment: Environment: Appears to be a product of oxidation of sulfide minerals such as chalcopyrite, pyrite, sphalerite and galena. Dimorphous with redgillite.
Help on IMA Status: IMA Status: Approved IMA 2007 (Dana # Added)
Help on Locality: Locality: Monte Trisa, Torrebelvicino, Vicenza, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2007-009

Montetrisaite Image

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Comments: SEM image of montetrisaite showing the splintery fracture. {010} face is shown. (CanMin, v47:143).
Location: Monte Trisa, Torrebelvicino, Vicenza, Italy. Scale: See Image.
© Canadian Mineralogist

Montetrisaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.1761:1:0.8728
Help on Cell Dimensions: Cell Dimensions: a = 2.989, b = 16.97, c = 14.812, Z = 2; V = 751.31 Den(Calc)= 2.91
Help on Crystal System: Crystal System: Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: C mc21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.45(1), 2.166(0.9), 2.341(0.9),2.654(0.8), 3.73(0.35), 1.598(0.2), 2.788(0.18), 2.503(0.14),

Physical Properties of Montetrisaite

Help on Cleavage: Cleavage: {010} Very Good, {100} Distinct, {001} Poor
Help on Color: Color: Blue.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende).
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale blue

Optical Properties of Montetrisaite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.066 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.212,KC= 0.1989
Ncalc = 1.58
Help on Optical Data: Optical Data: Biaxial (?), a=1.584, g=1.65, bire=0.0660

Calculated Properties of Montetrisaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.82 gm/cc
note: Specific Gravity of Montetrisaite =2.91 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0006359679
Boson Index = 0.9993640321
Help on Photoelectric: Photoelectric: PEMontetrisaite = 25.54 barns/electron
U=PEMontetrisaite x rElectron Density= 71.92 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Montetrisaite is Not Radioactive

Montetrisaite Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.02)where (A+ B++)6 (XO4) Zq�x(H2O)
  (31.02.09)Dana Group Montetrisaite! Cu6(SO4)(OH)10•H2O C mc21 mm2
Help on  Strunz Class: Strunz Class: 07.DD.85 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DD -With only medium-sized cations; sheets of edge-sharing octahedra
07.DD.85 Montetrisaite! Cu6(SO4)(OH)10•H2O C mc21 mm2

Other Montetrisaite Information

Help on References: References: NAME( CanMin, v47:143) PHYS. PROP.(CanMin, v47:143) OPTIC PROP.(CanMin, v47:143)
Help on See Also: See Also: Links to other databases for Montetrisaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 07.DD.85





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