Andradite

/ænˈdrɑdaɪt/ noun

Definition

A deep red or brown garnet mineral containing calcium and iron, valued by collectors and sometimes used as a gemstone.

Etymology

Named after Brazilian mineralogist José Bonifácio de Andrada e Silva (1763-1838). The suffix '-ite' is a standard geological naming convention for minerals.

Kelly Says

Andradite garnets can be so transparent and brilliant that gem-quality specimens are sometimes confused with more expensive gemstones—rock collectors have accidentally bought what they thought were rubies only to discover they'd snagged brilliant deep-red garnets at a fraction of the price.

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