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Download hereGENERAL DESCRIPTION
Datolite is a hydroxylated calcium and boron silicate. Datolite is formed in basaltic vacuoles. It is associated to zeolites and calcite.
The crystals are prismatic and short but it is most generally massive. The crystals are white to grayish, with a vitreous luster.
Some deposits : Lake Superior, Westfield, Patterson and the Quincy mine in the USA, Salzburg in Austria, the Charcas mine in Mexico, Dal'negorsk in Russia, Ontario, Norway, Germany.
In France, datolite was found in Raon-l'Etape in the Vosges and in Saint Nabor in the Bas-Rhin.
The conservation location of the type of this species (coming from Arendal, Aust-Agder region, Norway) is unknown.
