Origin
Brazil, Southern and central Africa
China, Kenya, Russia, Sri Lanka, Zambia
Color
Blue, Green, Black
Red, pink, Black, orange
Streak
White
White
For which Rashi?
Gemini, Sagittarius
-
Planet
Jupiter
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
insoluble in water
Durability
-
-
Specific Gravity
3.04-3.173.62-3.87
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{001} Indistinct, {???} Indistinct
None
Mohs Hardness
5.57-7.5
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
-
Greasy, Vitreous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
None
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.604-1.6461.720-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
cubic
Birefringence
0.031-0.036-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Balances digestive system and reduces bloating
-
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Energy