Mineralogy Database

Bonattite Mineral Data

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General Bonattite Information

Help on Chemical  Formula: Chemical Formula: CuSO4•3(H2O)
Help on Composition: Composition: Molecular Weight = 213.66 gm
   Copper    29.74 %  Cu   37.23 % CuO
   Hydrogen   2.83 %  H    25.30 % H2O
   Sulfur    15.01 %  S    37.47 % SO3
   Oxygen    52.42 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(SO4)•3(H2O)
Help on Environment: Environment: Secondary mineral in a pyrite deposit.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: [Cantiere Macei,] Capo Calamita, Elba, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Stefano Bonatti (1902-1968), Italian petrologist, University of Pisa, Pisa, Italy.
Help on Name Pronunciation: Name Pronunciation: Bonattite + Pronunciation Say BONATTITE
Help on Synonym: Synonym: ICSD 34679
  PDF 22-249

Bonattite Image

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Comments: Blue bonattite on siliceous sinter.
Location: Steamboat Springs, Washoe County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bonattite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.429:1:0.5633
Help on Cell Dimensions: Cell Dimensions: a = 5.59, b = 13.03, c = 7.34, Z = 4; beta = 97.1° V = 530.53 Den(Calc)= 2.67
Help on Crystal System: Crystal System: Monoclinic - Domatic H-M Symbol (m) Space Group: Cc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.42(1), 5.11(0.7), 3.65(0.6),

Physical Properties of Bonattite

Help on Color: Color: Blue.
Help on Density: Density: 2.68
Help on Streak: Streak: blue white

Optical Properties of Bonattite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.009 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2184,KPDmeas= 0.2175,KC= 0.2156
Ncalc = 1.58
Help on Optical Data: Optical Data: Biaxial (?), a=1.554, b=1.577, g=1.618, bire=0.0640

Calculated Properties of Bonattite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.68 gm/cc
note: Specific Gravity of Bonattite =2.68 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0013814773
Boson Index = 0.9986185227
Help on Photoelectric: Photoelectric: PEBonattite = 13.50 barns/electron
U=PEBonattite x rElectron Density= 36.25 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bonattite is Not Radioactive

Bonattite Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 � x(H2O)
  (29.06.05)Dana Group Bonattite CuSO4•3(H2O) Cc m
Help on  Strunz Class: Strunz Class: 07.CB.10 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
07.CB.10 Bonattite CuSO4•3(H2O) Cc m

Other Bonattite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Bonattite :
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.CB.10





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