is a beautiful, deep blue stone which can be cut and polished to make ornaments.
It can be violet or greenish-blue and may contain tiny, shining specks of pyrites. Lapis Lazuli is
really too soft for most jewellery. In powdered form, it was once used for the pigment ultramarine. Chemically Lapis Lazuli is a silicate of aluminium and it is mined in California, Chile, Russia and Afghanistan.
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