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Montetrisaite Mineral Data
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General Montetrisaite Information
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 Chemical Formula: |
Cu6(SO4)(OH)10•H2O |
| Composition: |
Molecular Weight = 658.76 gm |
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Zinc 0.30 % Zn 0.37 % ZnO |
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Copper 57.59 % Cu 72.09 % CuO |
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Hydrogen 1.84 % H 16.41 % H2O |
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Sulfur 4.53 % S 11.30 % SO3 |
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Oxygen 35.75 % O |
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______ ______ |
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100.00 % 100.17 % = TOTAL OXIDE |
| Empirical Formula: |
Cu5.97Zn0.03(OH)10•(H2O)(SO4)0.93 |
| Environment: |
Appears to be a product of oxidation of sulfide minerals such as chalcopyrite, pyrite, sphalerite and galena. Dimorphous with redgillite. |
| IMA Status: |
Approved IMA 2007 (Dana # Added) |
| Locality: |
Monte Trisa, Torrebelvicino, Vicenza, Italy Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Synonym: |
IMA2007-009 |
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Montetrisaite Image |
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Images:
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Montetrisaite
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 |
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Montetrisaite Crystallography
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| Axial Ratios: |
a:b:c =0.1761:1:0.8728 |
| Cell Dimensions: |
a = 2.989, b = 16.97, c = 14.812, Z = 2; V = 751.31 Den(Calc)= 2.91 |
| Crystal System: |
Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: C mc21 |
| 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), |
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Physical Properties of Montetrisaite
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| Cleavage: |
{010} Very Good, {100} Distinct, {001} Poor |
| Color: |
Blue. |
| Diaphaneity: |
Transparent |
| Fracture: |
Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende). |
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
| Habit: |
Striated - Parallel lines on crystal surface or cleavage face. |
| Hardness: |
2-3 - Gypsum-Calcite |
| Luster: |
Vitreous (Glassy) |
| Streak: |
pale blue |
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Optical Properties of Montetrisaite
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| Gladstone-Dale: |
CI calc= -0.066 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.212,KC= 0.1989
Ncalc = 1.58 |
| Optical Data: |
Biaxial (?), a=1.584, g=1.65, bire=0.0660 |
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Calculated Properties of Montetrisaite
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| Electron Density: |
Bulk Density (Electron Density)=2.82 gm/cc
note: Specific Gravity of Montetrisaite =2.91 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0006359679
Boson Index = 0.9993640321 |
| Photoelectric: |
PEMontetrisaite = 25.54 barns/electron
U=PEMontetrisaite x rElectron Density= 71.92 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Montetrisaite is Not Radioactive |
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Montetrisaite Classification
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| Dana Class: |
31.02.09.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen |
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(31.02)where (A+ B++)6 (XO4) Zq�x(H2O) |
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(31.02.09)Dana Group |
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31.02.09.01 Montetrisaite! Cu6(SO4)(OH)10•H2O C mc21 mm2 |
| Strunz Class: |
07.DD.85 07 - SULFATES (SELENATES, TELLURATES) |
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07.D - Sulfates (selenates, etc.) with additional anions, with H2O |
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07.DD -With only medium-sized cations; sheets of edge-sharing octahedra |
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07.DD.85 Montetrisaite! Cu6(SO4)(OH)10•H2O C mc21 mm2 |
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Other Montetrisaite Information
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| References: |
NAME( CanMin, v47:143) PHYS. PROP.(CanMin, v47:143) OPTIC PROP.(CanMin, v47:143) |
| 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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Montetrisaite
Cu6(SO4)(OH)10•H2O
Dana No: 31.02.09.01 Strunz No: 07.DD.85
Locality:
Notes:
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