Difference between revisions of "Antlerite"
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Revision as of 12:43, 29 April 2016
Description
An uncommon mineral composed of dibasic copper sulfate. Antlerite is an emerald green to blackish-green color and is found in the oxidized zones of copper deposits of Arizona and Chile. It has also been identified as a corrosion product on outdoor bronze and copper sculpture. Though similar in color to Malachite and Brochantite, antlerite does not effervesce in contact with acid.
Synonyms and Related Terms
antlerita (Esp.); antierite (Port.); Antlerit (Deut.); antleriet (Ned.)
Other Properties
Crystal system = orthorhombic bipyramidal Cleavage = unidirectional Fracture = uneven Luster = vitreous Streak=pale green
| Composition | Cu3(OH)4SO4 |
|---|---|
| Mohs Hardness | 3.5-4.0 |
| Density | 3.88 |
| Refractive Index | 1.72-1.78 |
Sources Checked for Data in Record
- 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
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Antlerite (Accessed Mar. 20, 2006)
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996