Origin
Brazil, Southern and central Africa
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Blue, Green, Black
Brown
Streak
White
Brownish, Red, Black
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
-
-
Durability
-
-
Specific Gravity
3.04-3.175.2
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
{001} Indistinct, {???} Indistinct
Good in one direction
Mohs Hardness
5.56-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Resinous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Transparent, Translucent
TransparentWalter Schumann
Refractive Index
1.604-1.6462.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.031-0.0360.083
0
0.296
👆🏻
Clarity
Transparent
TransparentWalter Schumann
Physical
Neurological
Balances digestive system and reduces bloating
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Balance