Datolite Crystals Specimen Russia Dalnegorsk


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This is the cluster of datolite crystals. Dimensions: 2.9 x 2.8 x 1.2″ (7.3 x 7.2 x 3cm). Weight – 7.9oz (223 grams). Origin: Russia, Dalnegorsk.

Some information about datolite:

Datolite is a calcium boron hydroxide nesosilicate, CaBSiO4(OH). It was first observed by Jens Esmark in 1806, and named by him from “to divide” and “stone” in allusion to the granular structure of the massive mineral.

Datolite crystallizes in the monoclinic system forming prismatic crystals and nodular masses. The luster is vitreous and may be brown, yellow, light green or colorless. The Mohs hardness is 5.5 and the specific gravity is 2.8 – 3.0.

Additional information

Weight 223 g