
There are a few drawbacks. Chrome diopside is mostly available in small sizes: in the rare large sizes, the colour actually becomes so rich that it is too dark. But for bright green accent stones, chrome diopside is ideal. However, it is relatively soft, with a hardness of only 5.5, so it is a better choice for earrings or a pendant than for a ring which will receive a lot of wear. Chrome diopside is mostly mined in Yakutia and Siberia. The liberalisation of the economy of the former Soviet Union has made it more readily available than it used to be
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