Alabaster is a name used for gypsum and calcite but has also been used to indicate selenite. These minerals are easily worked due to their low hardness and have been used to craft all sort of things from since antiquity. Think of sculptures, household items and, of course, jewelry.

Gemological Properties

Gemological Information for Alabaster
Color	Dark Brown, Light to Dark Green, Yellow & Black
Crystal Structure	Monoclinic
Refractive Index	1.520 - 1.529
Durability	Poor
Hardness	2 to 2.5
Similar Stones	Calcite Marble
Treatments	Dyeing, Heat in Preparation for Dyeing, Bleaching
Country of Origin	U.S., Canada, Italy, United Kingdom, Mexico
Alabaster Care
Ultrasonic Cleaning	Never
Steam Cleaning	Never
Warm Soapy Water	Safe, but no Abrasives
Chemical Attack	Dissolves in Acid
Light Sensitivity	Stable
Heat Sensitivity	Dehydrates and Crumbles