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Physical Properties
Mohs Hardness: 5.5 to 6.5, prone to chipping or crack on sharp impacts
Refractive Index: 1.675 to 1.701
Specific Gravity: 3.22 to 3.40, typical average of 3.29
Colour: Light to Dark Green, Yellowish-Green, Brownish-Green, Black
Lustre:
- Vitreous (glassy) on crystal faces and polished surfaces.
- Fracture surfaces and massive ones can appear resinous, greasy or dull.
Transparency: Transparent to Opaque
Benefit
- Let us be aware of our talents
- Encourage and supports us to follow our intuition
- Helps in psychological conditions by teaching us to trust and forgive and helps us to reconcile
- Stimulates our intellectual and analytical skills
- Aids us in letting go of grief
- Teaches overwhelmed individuals to appreciate life and joie de vivre
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