how rare is sinhalite ?

Jennifer

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Oct 28, 2024
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How rare is Sinhalite?
Interestingly, sinhalite, though quite rare, occurs in large sizes in the Sri Lankan gravels. The normal range is 1-20 carats, but gems over 100 carats have been found from time to time. Smithsonian Institution (Washington, D.C): 109.8 (brown, Sri Lanka); 43.5. 36.
 

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