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|Name:||Named in honor of Stefano A. Bonatti (1902–1968), Italian petrologist, University of Pisa, Pisa, Italy.|
This page provides mineralogical data about Bonattite.
Classification of Bonattite
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||6/C.02-10|
|Nickel-Strunz 10th (pending) edition ID:||7.CB.10|
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
|Hey's CIM Ref.:||25.2.2|
25 : Sulphates
2 : Sulphates of Cu and Ag
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Type Occurrence of Bonattite
|Type Locality:||Macei stope, Cape Calamita Mine (Calamita Mine), Capoliveri, Elba Island, Livorno Province, Tuscany, Italy|
|Year of Discovery:||1957|
Physical Properties of Bonattite
Crystallography of Bonattite
|Cell Parameters:||a = 5.59Å, b = 13.03Å, c = 7.34Å|
β = 97.1°
|Ratio:||a:b:c = 0.429 : 1 : 0.563|
|Unit Cell Volume:||V 530.53 Å³ (Calculated from Unit Cell)|
Optical Data of Bonattite
|RI values:||nα = 1.554 nβ = 1.577 nγ = 1.618|
|Maximum Birefringence:||δ = 0.064|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Bonattite
|Simplified for copy/paste:||CuSO4·3H2O|
|Essential elements:||Cu, H, O, S|
|All elements listed in formula:||Cu, H, O, S|
Relationship of Bonattite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Bonattite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Bonattite
American Mineralogist (1958): 43: 180.
J. L. Jambor (1962): Second occurrence of bonattite. Can. Mineral., 7, 245-252.
American Mineralogist (1962): 47: 1223.
American Mineralogist (1966): 51: 276-284.
Zahrobsky, R.F. and Baur, W.H. (1968): On the crystal chemistry of salt hydrates V. The determination of the structure of CuSO4·3H2O, bonattite. Acta Crystallographica 24, 508-513.
Internet Links for Bonattite
Localities for Bonattite
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Salt Mountain, Cardona, Bages, Barcelona, Catalonia, SpainFrom Gascon Cuello Fernando, 18th Dec 2014 19:20:50