Symbol, BPO; sp gr, 2.81; vaporizes at 1,400 degrees C; related structurally to
high cristobalite. It has been used as a constituent of a ceramic body that
fires to a translucent porcelain at 1,000 degrees C. Dodd
Source: Dictionary of Mining, Mineral, and Related Terms
Source:
Dictionary of Mining, Mineral, and Related Terms