Origin
Brazil, Southern and central Africa
Canada, Pakistan
Color
Blue, Green, Black
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange
Streak
White
White
For which Rashi?
Gemini, Sagittarius
Virgo, Capricorn
Planet
Jupiter
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
3.04-3.172.93-2.96
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
{001} Indistinct, {???} Indistinct
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
5.53.5-4
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Resinous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
StrongArthur Thomas
Dispersion
0.010.17
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.604-1.6461.525-1.686
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.031-0.0360.155
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Balances digestive system and reduces bloating
Promotes focus and concentration
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Poor
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Stability
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Centering