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.
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.