Thulite is the translucent to opaque pink variety of zoisite, which is often mottled or streaked with gray or white quartz. The name thulite is derived from its discovery location, Norway, which was once called Thule. This gem is also called rosaline. Thulite is often cut en cabochon for jewelry manufacture or carved into ornaments.
- Optical Properties
- Characteristic Physical Properties
- Chemistry & Crystallography
Translucent - Opaque
Strength: Weak Fire Value: 0.021
Aggregate (AGG), Doubly Refractive (DR)
Thulite has white veining is due to calcite and the pink color is due to manganese.
Perfect, in one direction, Good, in one direction
calcium aluminum silicate hydroxide
Countries of Origin
Unknown; Norway; United States of America