Origin
Southern and central Africa
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Color
Colorless, White, Yellow, pink
Blue, Green
Streak
White
Blue
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
-
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Talisman
-
-
Tenacity
Brittle
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Solubility
-
-
Durability
-
-
Specific Gravity
1.793.80-4.15
1
7.18
👆🏻
Fracture
Irregular/uneven
Uneven
Cleavage
Perfect on {10bar10}
perfect along [010] and [100]
Mohs Hardness
2.53.5-4
2
10
👆🏻
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Silky
Pleochroism
Nearly colorless to pale golden yellow
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.4921.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
-99990.063
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
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Cardiovascular
Supports heart health
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Harmony
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Growth
Communication