Colemanite
| Colemanite | |
|---|---|
piezoelectric at very low temperature. | |
| References | [2][3][4][5][6] |
Colemanite (Ca2B6O11·5H2O)[6] or (CaB3O4(OH)3·H2O)[4] is a borate mineral found in evaporite deposits of alkaline lacustrine environments. Colemanite is a secondary mineral that forms by alteration of borax and ulexite.[3]
It was first described in 1884 for an occurrence near Furnace Creek in Death Valley and was named after William Tell Coleman (1824–1893), owner of the mine "Harmony Borax Works" where it was first found.[4] At the time, Coleman had alternatively proposed the name "smithite" instead after his business associate Francis Marion Smith.[7]
Uses
Colemanite is an important ore of boron, and was the most important boron ore until the discovery of kernite in 1926. It has many industrial uses, like the manufacturing of heat resistant glass.[8]
See also
References
- S2CID 235729616.
- ^ Schorn, Stefan; et al. (2021). "Colemanit (Colemanite)". Mineralienatlas.
- ^ ISBN 0-471-57452-X.
- ^ a b c Colemanite, Mindat.org, retrieved 30 December 2021
- ^ "Colemanite mineral data". Webmineral. Retrieved 30 December 2021.
- ^ a b Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Colemanite" (PDF). Handbook of Mineralogy.
- ISBN 0-8310-7148-6
- ISBN 978-0-671-24417-0.
External links
Media related to Colemanite at Wikimedia Commons- Spencer, Leonard James (1911). . In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 6 (11th ed.). Cambridge University Press. p. 665.
- "Death Valley - Historic Resource Study - A History of Mining".
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