Calciborite
A variety of Minerals
What is Calciborite?
Calciborite, CaB2O4, is a rare calcium borate mineral. It was first described in 1955 in the Novofrolovskoye copper–boron deposit, near Krasnoturinsk, Turinsk district, Northern Ural Mountains, Russia. It occurs in a skarn deposit formed in limestone adjacent to a quartz diorite intrusive. It occurs associated with: sibirskite (another rare calcium borate mineral), calcite, dolomite, garnet, magnetite and pyroxene. It has also been reported from the Fuka mine of Okayama Prefecture, Japan.
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Calciborite Localities Map
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Quick Facts
Chemical Properties
- Chemical Formula
- Ca(B2O4)
- Elements
- B, Ca, O
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