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Guarinoite Mineral Data

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General Guarinoite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Co,Ni)6(SO4)(OH,Cl)10•5(H2O)
Help on Composition: Composition: Molecular Weight = 772.29 gm
   Zinc      33.87 %  Zn   42.15 % ZnO
   Cobalt     7.63 %  Co    9.70 % CoO
   Nickel     7.60 %  Ni    9.67 % NiO
   Hydrogen   2.35 %  H    20.99 % H2O
   Sulfur     4.15 %  S    10.37 % SO3
   Chlorine   9.18 %  Cl    9.18 % Cl
               -   %   Cl   -2.07 % -O=Cl2   
   Oxygen    35.22 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn4CoNi(SO4)(OH)8Cl2•5(H2O)
Help on Environment: Environment: Secondary mineral in the zone of oxidation.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Cap Garrone mine, Var, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Andre Guarino, French mineral collector.
Help on Name Pronunciation: Name Pronunciation: Guarinoite + Pronunciation Say GUARINOITE
Help on Synonym: Synonym: IMA1991-005

Guarinoite Image

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Comments: Pale pink microcrystalline crust of guarinoite on matrix.
Location: Cap Garonne mine, Var, France. Scale: Thumbnail.
© Tom Loomis / Dakota Matrix

Guarinoite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.58856
Help on Cell Dimensions: Cell Dimensions: a = 8.344, c = 21.599, Z = 3; V = 1,302.31 Den(Calc)= 2.95
Help on Crystal System: Crystal System: Hexagonal Space Group: P 63/m,P 63, or P 6322
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.8(1), 3.3(0.9), 2.725(0.6),

Physical Properties of Guarinoite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Pink, Deep pink.
Help on Density: Density: 2.8
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Hexagonal - Six-sided crystal shape in cross-section or habit.
Help on Habit: Habit: Thin - Flat dimensioned crystals.
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: light pink

Optical Properties of Guarinoite

Help on Dichroism (e): Dichroism (e): light pink.
Help on Dichroism (w): Dichroism (w): pink.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.083 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.13 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1912,KPDmeas= 0.2014,KC= 0.2197
Ncalc = 1.62 - 1.65
Help on Optical Data: Optical Data: Uniaxial (-), e=1.544, w=1.584, bire=0.0400.

Calculated Properties of Guarinoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Guarinoite =2.80 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEGuarinoite = 22.97 barns/electron
U=PEGuarinoite x rElectron Density= 63.11 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Guarinoite is Not Radioactive

Guarinoite Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.02)where (A+ B++)6 (XO4) Zq�x(H2O)
  (31.02.04)Dana Group Guarinoite (Zn,Co,Ni)6(SO4)(OH,Cl)10•5(H2O) P 63/m,P 63, or P 6322 Hex
Help on  Strunz Class: Strunz Class: 07.DD.80 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.80 Guarinoite (Zn,Co,Ni)6(SO4)(OH,Cl)10•5(H2O) P 63/m,P 63, or P 6322 Hex
07.DD.80 Schulenbergite (Cu,Zn)7(SO4,CO3)2(OH)10•3(H2O) Hex Hex
07.DD.80 Theresemagnanite (Co,Zn,Ni)6(SO4)(OH,Cl)10•8(H2O) P 63 6

Other Guarinoite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Guarinoite :
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: 07.DD.80





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