Origin
Southern and central Africa
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Color
Green
Blue, Green
Streak
-
Blue
For which Rashi?
-
Sagittarius, Capricorn
Planet
-
Venus
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.66-2.863.70-3.90
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
Indiscernible
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
7.5-83.5-4
2
10
👆🏻
Chemical Composition
Al 2Be 3Si 6O 18Martin H.
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous
Pleochroism
Strongly dichroicMartin H. Read
Visible shades of blue
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.591.720-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.004-0.0100.108
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Creativity
Insight
Healing
-
Emotional healing
Qualities Associated
Creativity
Insight