Origin
USA
Kenya, Southern and central Africa
Color
Blue, Green
Green, Brown, Yellow, Red
Streak
Blue, Greenish, White
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For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
Brittle
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Solubility
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Durability
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Specific Gravity
5.6-5.763.55-3.70
1
7.18
👆🏻
Fracture
Uneven
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Cleavage
[001] perfect; [100] distinct
Perfect
Mohs Hardness
2.5-34-7
2
10
👆🏻
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.818-1.9091.710-1.735
1
3.25
👆🏻
Optic Character
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Biaxial/+
Crystal System
Orthorhombic
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Birefringence
0.0910.012-0.033
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Creativity
Intuition
Healing
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Emotional healing
Qualities Associated
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Tranquility