Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
-
Color
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Blue, Green
Streak
-
Blue
For which Rashi?
Pisces, Taurus, Gemini, Libra
Sagittarius, Capricorn
Planet
Saturn
Venus
Element of Planets
Water
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Apollo
-
Not to wear with
-
-
Powers
Psychic Power
Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
insoluble
-
Durability
-
-
Specific Gravity
3.95-4.033.70-3.90
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None, but may exhibit parting
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
93.5-4
2
10
👆🏻
Chemical Composition
Al 2 O 3
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Adamantine
Vitreous
Pleochroism
Strong
Visible shades of blue
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to opaque
Transparent, Translucent
Refractive Index
1.762-1.7881.720-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
0.008-0.0090.108
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Intuition
Insight
Healing
Emotional healing
Emotional healing
Qualities Associated
Wisdom
Insight