Difference between revisions of "Chalcanthite"
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== Physical and Chemical Properties == | == Physical and Chemical Properties == | ||
| − | Triclinic, short prismatic crystals. Fracture = conchoidal. Luster = vitreous. Streak = white | + | * Triclinic, short prismatic crystals. |
| − | + | * Fracture = conchoidal. | |
| − | Soluble in water. | + | * Luster = vitreous. |
| + | * Streak = white | ||
| + | * Soluble in water. | ||
{| class="wikitable" | {| class="wikitable" | ||
| Line 29: | Line 31: | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.286 | + | | 2.286 g/ml |
|} | |} | ||
Revision as of 10:13, 28 May 2022
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.)
Risks
Ingestion is toxic.
Physical and Chemical Properties
- Triclinic, short prismatic crystals.
- Fracture = conchoidal.
- Luster = vitreous.
- Streak = white
- Soluble in water.
| Composition | CuSO4 - 5H2O |
|---|---|
| Mohs Hardness | 2.5 |
| Density | 2.286 g/ml |
Resources and Citations
- Mineralogy Database: [http://www.webmineral.com/data/Chalcanthite.shtml Chalcanthite
- 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: 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