Hurlbutite

Hurlbutite is named after Cornelius Searle Hurlbut, Jr. (1906– 2005), Professor of Mineralogy, Harvard University.

Hurlbutite forms stout transparent to translucent colourless to greenish white crystals. Some material from Newport, New Hampshire, USA has been fashioned into gems.
General Information
Chemical Formula
CaBe
 
2
(PO
 
4
)
 
2
Michael O’Donoghue, Gems, Sixth Edition (2006)
Mohs Hardness
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