This is the polished on the one side blue violane specimen with skarn. Dimensions: 5.5 x 2.0 x 1.1″ (14 x 5 x 2.8cm). Weight – 6.9oz (197 grams). Origin: Russia, Transbaikalia.
Some information about violane:
Violane is a variety of the diopside mineral bluish tones. Violane color is due to admixture of manganese and iron. Contains 10% jadeite and aegirine components.
Known deposits from Italy (Saint-Marcel, Piedmont) and Russia. In Russia deposits are located in the Transbaikalia, Altai and Sayan.
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