Difference between revisions of "Chalcanthite"
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Revision as of 13:48, 29 April 2016
Description
A rare, azure blue mineral composed of hydrous Copper sulfate. Chalcanthite is found as a secondary mineral in the oxidized zones of copper sulfide ore deposits in Chile and the U.S.(Nevada, Tennessee, Utah). It can be transparent to translucent.
Synonyms and Related Terms
copper sulfate pentahydrate; blue vitriol; blue stone; bluestone; copper vitriol; calcantita (Esp.)
Other Properties
Triclinic, short prismatic crystals. Fracture = conchoidal. Luster = vitreous. Streak = white
Soluble in water.
| Composition | CuSO4 - 5H2O |
|---|---|
| Mohs Hardness | 2.5 |
| Density | 2.286 |
Hazards and Safety
Ingestion is toxic.
Additional Information
Mineralogy Database: Chalcanthite
Additional Images
Chalcanthite
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 235
- Henry Hodges, Artifacts: An Introduction to Early Materials and Technology, Ronald P. Frye, Kingston, Canada, 1988
- C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Chalcanthite (Accessed Sept 2 2005; spec. grav=2.12-2.3 )
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997