from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A metamorphic silicate mineral related to the epidotes; it is a sorosilicate, based on the dimeric anion Si2O76-
from The Century Dictionary and Cyclopedia
- n. A silicate of aluminium and calcium occurring in grayish-blue orthorhombic crystals in crystalline schists in California and elsewhere.
Sorry, no etymologies found.