Danburite

Dan´bu`rite

(Min.) A borosilicate of lime, first found at Danbury, Conn. It is near the topaz in form.

danburite

[′dan·bə‚rīt] (mineralogy) CaB₂(SiO₄)₂ An orange-yellow, yellowish-brown, grayish, or colorless transparent to translucent borosilicate mineral with a feldspar structure crystallizing in the orthorhombic system; it resembles topaz and is used as an ornamental stone.

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