CORUNDUM, variety Star Ruby
Al₂O₃
Mogok, Sagaing, Myanmar

The stars seen in some rubies and sapphires is caused by light reflecting from needle-like inclusions of rutile alligned perpendicular to the rays of the star. Fine star rubies such as this one are extremely rare.

Size / Weight: 15x12x10 mm / 18.29 carats

Acquired: 1972 donation, Hixon Collection.

Disposition: On display in the Hixon Gem Vault exhibit.

Catalog Number: 13815