Diopside
ID: 12
Diopside
Chemical Formula
CaMgSi₂O₆
Hardness (Mohs)
5.5 - 6.5
Crystal System
Monoclinic
Streak
White
Luster
Vitreous
Diaphaneity
Transparent to translucent
Color
Various shades of green, also white, gray, or colorless
Crystal Habit / Mode of Occurrence
Prismatic, tabular, or massive.
Fun Facts
Diopside is a member of the pyroxene group of minerals. Gem-quality diopside, particularly the vibrant green varieties, is used in jewelry.