Enstatite is a mineral; the magnesium endmember of the pyroxene silicate mineral series enstatite – ferrosilite.
Emerald green variety of enstatite is called chrome-enstatite. Mostly, That green is because of Chromium. Even though, Enstatite has weak double reflection (DR), It has strong Pleochroism.
• Formula : MgSiO3
• Crystal System : Orthorhombic
• Hardness : 5 to 6
• Optical Properties : Biaxial (+)
• Pleochroism : Pale green to pale orange
• Specific Gravity : 3.2–3.3
Special thing is about enstatite, It’s very good heat resistant silicate mineral in this earth 🌍.