Amazonite vs Celestine

Property Amazonite Celestine
Formula KAlSi3O8 SrSO4
Crystal System Triclinic Orthorhombic
Mineral Class 09 Silicates 07 Sulfates, Chromates, Molybdates, and Tungstates
Mohs Hardness 6.0-6.5 3.0-3.5
Color Green, blue-green Colorless, pale blue, white, yellow
Luster Vitreous Vitreous
Streak White White
Transparency Translucent Transparent
Cleavage Perfect {001}, good {010} Perfect {001}
Fracture Conchoidal to uneven Uneven
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