Adamast is partially closed due to circumstances until July 13, 2026. That is why it is temporarily not possible to pay for items. You can create an account and/or log in and place items in your shopping cart. Your shopping cart will be saved for later purchases.
Tanzanite
Mohs scale
6.5 - 7.0
Specific Gravity
3.35
Refractive Index
1.685 - 1.707
Crystal system
Orthorhombic
Chemical Composition
Ca2Al3(SiO4)3(OH)
Sign of Zodiac (Click on the constellation for more information)