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Physical Properties
Mohs Hardness: 7.5
Refractive Index: 1.710 - 1.734
Specific Gravity: 3.53 - 3.68
Colour: Blue-white, Pink, Green, Yellow, Gray, Black
Lustre: Vitreous
Transparency: Transparent to Opaque
Benefit
- Increase logical & linear thought
- Cut through fears, blockages, and ignorance
- Encourage self-expression & communication
- Dispel blockages, illusion, anger, frustration, and stress
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