Origin
Brazil, Southern and central Africa
Burma, Sri Lanka, Thailand, Cambodia, Vietnam, Madagascar, Tanzania, Kenya
Color
Blue, Green, Black
Red, pink
Streak
White
White
For which Rashi?
Gemini, Sagittarius
Leo, Scorpio, Cancer, Sagittarius
Planet
Jupiter
Mars
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
Ring Finger
Ring Metal
-
Gold, Copper
Deities
-
Buddha, Krishna
Not to wear with
-
Ruby, Blue Sapphire, Diamond, Gomed
Powers
-
Joy
Birthstone
Planetary
-
-
Talisman
-
Pisces
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.173.97-4.05
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{001} Indistinct, {???} Indistinct
No true cleavage
Mohs Hardness
5.59
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Al 2 O 3
Luster
-
Vitreous, Adamantine
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Strong: purplish-red
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
Refractive Index
1.604-1.6461.762-1.778
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.031-0.0360.008
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Balances digestive system and reduces bloating
Stimulates mental concentration and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
Supports reproductive health
Digestive
Supports digestive health
Supports digestive health
Psychology
Clarity
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Energy