Amethyst - Scientific Description
Amethyst - Scientific Description
Amethyst Overview - Chemical Formula: SiO2 Composition: Silicon dioxide. Color: From Light Purple to Dark Purple Mohs Hardness: 7 Crystal Structure: Hexagonal - Amethyst is a purple colored variety...
Amethyst - Scientific Description
Amethyst Overview - Chemical Formula: SiO2 Composition: Silicon dioxide. Color: From Light Purple to Dark Purple Mohs Hardness: 7 Crystal Structure: Hexagonal - Amethyst is a purple colored variety...