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- Liddicoatite
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- Tourmaline and silikates
Liddicoatite is an uncommon form of Tourmaline, almost identical in chemical composition to Elbaite, but with a calcium atom replacing a sodium atom in its chemical formula. Liddicoatite was not recognized as a separate Tourmaline species until 1977. Prior to that time, it was thought to be Elbaite. Very nice terminated single crystal from Tsarafara.
Madagascar
Tsarafara, Sahatany Valley, Vakinankaratra Region, Antananarivo Province
7,4x3,2x3,1 cm
126.2g