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Benitoite is a rare mineral found in very few locations including San Benito County, California, Japan and Arkansas. In the San Benito occurrence, it is found in natrolite veins within glaucophane schist within a serpentinite body. In Japan, the mineral occurs in a magnesio-riebeckite-quartz-phlogopite-albite dike cutting a serpentinite body. [5]
The New Idria Mining District is known for its abundance of rare minerals such as benitoite, named after the San Benito River. Gem quality benitoite is only found in this area of the world. New Idria is also home to serpentinite rock. Many thousands of tectonic events acting on the serpentinite have produced extensive deposits of short-fiber ...
Pabstite is a barium tin titanium silicate mineral that is found in contact metamorphosed limestone. It belongs to the benitoite group of minerals. The chemical formula of pabstite is Ba(Sn,Ti)Si 3 O 9. It is found in Santa Cruz, California. The crystal system of the mineral is hexagonal.
The most common minerals of barium are barite (barium sulfate, BaSO 4) and witherite (barium carbonate, BaCO 3). The name barium originates from the alchemical derivative "baryta", from Greek βαρὺς (barys), meaning 'heavy'. Baric is the adjectival form of barium.
Mine: State: Coordinates: Associated town: Owner: Dates: Comments: Crater of Diamonds State Park: Arkansas: Murfreesboro: Arkansas: 1906–Present (Open to public for small fee) [1] Commercial mining ventures failed, only diamond mine accessible to the general public.
Mineral Resources of Michigan with Statistical Tables. Wynkoop Hallenback Crawford Company. OCLC 1020701380. American Institute of Mining (1960). Industrial Minerals and Rocks. American Institute of Mining Engineers. OCLC 977283549. Ashlee, Laura R. (2005). Traveling Through Time. University of Michigan Press. ISBN 9780472030668. Clements, John ...