Stewart Mine (Stewart Lithia Mine)
33.3814° N, 117.0617° W · ± 1 km
Morganite from California, United States, with photos of specimens from this locality.
Minerals found here
Morganite at Stewart Mine (Stewart Lithia Mine)

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source

Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- Be3Al2Si6O18
- Morphology
- Cluster of sharp tabular crystals
- Typical size
- Crystals up to about 3 cm
- Color / luster
- Pastel to pale pink, gemmy
Geology of the locality
- Setting
- Lithium-bearing gem pegmatite on Tourmaline Queen Mountain, Pala district
- Region
- California
- Country
- United States
Coordinates from the USGS MRDS record (via westernmininghistory.com), which lists the site as a past producer of gemstones and lithium with surface and underground workings on private land. Also known as the American Lithia Co. mine.
Sources: SRC-844
Sources
- SRC-844 · Database
Stewart Mine / American Lithia Co. (San Diego County, CA)U.S. Geological Survey (MRDS), via Western Mining History · westernmininghistory.com (USGS Mineral Resources Data System) - SRC-266 · Book
Handbook of Mineralogy - BerylAnthony, J.W.; Bideaux, R.A.; Bladh, K.W.; Nichols, M.C. · 2001 · Mineralogical Society of America / Mineral Data Publishing - SRC-845 · Website
File:Beryl-223841.jpg (Wikimedia Commons)Robert M. Lavinsky · Wikimedia Commons
Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.