grossularite

(-lər)
n.
A pale green, pink, brown, or black garnet, Ca₃Al₂(SiO₄)₃, occurring alone or as a constituent of the common garnet.

[German Grossularit, from New Latin Grossulāria, former genus of gooseberry (from the color of some garnets), from French groseille, gooseberry, from Old French grosele, of Germanic origin, akin to Middle Dutch kroes, curled.]