Petalite

Notice: All text and images herein are copyright protected and all rights reserved!

Chemical composition -- Lithium aluminum silicate.

Color -- Colorless to pale yellow or pink.

Optics -- R.I 1.50-1.52.

Durability -- Hardness 6-6.5. Brittle.

Crystal structure -- Monoclinic.

Specific Gravity -- 2.3-2.5.

Sources -- Zimbabwe, Namibia, Australia, Brazil. Petalite owes its limited desirability to rarity, but it deserves a place in collections, especially in larger sizes.

[ [Back to Gemology Pages] [Tradeshop Inc.]