Info: Octaedrical and cubical forms of grossular are rare. Grossular is heavy and hard mineral. In clear form the mineral is colourless and transparent, it can be transparent to translucent with colouration of white, yellow, green or red color, mostly with glassy luster. Grossular can be found in methamorphic rocks.
How to recognize: Grossular cannot be melted by flame and cannot be dissolved in acids. Under UV-light it emits yellowish flourescence.
Found: Grossular was found in Germany, Italy, Mexico, South Africa, Canada and Sri Lanka.
Used for: In jewelery.
Variations: Yellowish hessonite (with iron), green tsavorite, and pale pink rosolite.
Crystal structure |
Cubical |
Hardness |
6,5 - 7 |
Color |
Colourless, various alien colourations |
Luster |
Glassy |