Valentinite
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Description
A white to gray mineral containing Antimony trioxide. Valentinite is mined in Algeria, Yugoslavia, Italy, Germany, Mexico, and the U.S. (Nevada, Montana). It is also formed by the oxidation of stibnite. Valentinite is used as an opacifier in ceramic enamels.
Synonyms and Related Terms
antimony trioxide; white antimony
Physical and Chemical Properties
- Orthorhombic crystals.
- Luster=adamantine
- Streak=white
| Composition | Sb2O3 |
|---|---|
| CAS | 1209-64-4 |
| Mohs Hardness | 2.5 - 3.0 |
| Density | 5.57-5.76 g/ml |
| Molecular Weight | 291.5 |
Resources and Citations
- Webminerals: Valentinite
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 64
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Wikipedia: http://en.wikipedia.org/wiki/Valentinite (Accessed Mar. 20, 2006)
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997