Bonattite Mineral Data

General Bonattite Information

Chemical Formula:

CuSO4•3(H2O)

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

Empirical Formula:

Cu(SO₄)•3(H₂O)

Environment:

Secondary mineral in a pyrite deposit.

IMA Status:

Valid Species (Pre-IMA) 1957

Locality:

[Cantiere Macei,] Capo Calamita, Elba, Italy. Link to MinDat.org Location Data.

Name Origin:

Named for Stefano Bonatti (1902-1968), Italian petrologist, University of Pisa, Pisa, Italy.

Name Pronunciation:

Bonattite + Pronunciation

Synonym:

ICSD 34679

PDF 22-249

Bonattite Image

Images:

Bonattite

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

Axial Ratios:

a:b:c =0.429:1:0.5633

Cell Dimensions:

a = 5.59, b = 13.03, c = 7.34, Z = 4; beta = 97.1° V = 530.53 Den(Calc)= 2.67

Crystal System:

Monoclinic - Domatic H-M Symbol (m) Space Group: Cc

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.42(1), 5.11(0.7), 3.65(0.6),

Physical Properties of Bonattite

Color:

Blue.

Density:

2.68

Streak:

blue white

Optical Properties of Bonattite

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

Optical Data:

Biaxial (?), a=1.554, b=1.577, g=1.618, bire=0.0640

Calculated Properties of Bonattite

Electron Density:

Bulk Density (Electron Density)=2.68 gm/cc
note: Specific Gravity of Bonattite =2.68 gm/cc.

Fermion Index:

Fermion Index = 0.0013814773
Boson Index = 0.9986185227

Photoelectric:

PE_Bonattite= 13.50 barns/electron
U=PE_Bonattite x rElectron Density= 36.25 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bonattite is Not Radioactive

Bonattite Classification

Dana Class:

29.06.05.01 (29)Hydrated Acid and Sulfates

(29.06)where A XO4 ï¿½ x(H2O)

(29.06.05)Dana Group

29.06.05.01 Bonattite CuSO4•3(H2O) Cc m

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

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Bonattite Specimen Label here :

Bonattite

CuSO4•3(H2O)
Dana No: 29.06.05.01 Strunz No: 07.CB.10
Locality:

Notes:

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