ELBAITE TOURMALINE, variety Indicolite
Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₂(OH)₄
Minas Gerais, Brazil

Though most people think of tourmaline as being green, this gem stone can occur in many other colors. This stone is a very fine example of the blue variety, known as indicolite.

Size / Weight: 17x16x9 mm / 21.6 carats

Acquired: 1988 donation, John Jago Trelawney Collection.

Disposition: On display in the Hixon Gem Vault exhibit.

Catalog Number: 33330