Origin
Brazil, Southern and central Africa
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Color
Blue, Green, Black
Greenish, Green, Brownish, Red, Blue, Brown, gray
Streak
White
White
For which Rashi?
Gemini, Sagittarius
-
Planet
Jupiter
-
Element of Planets
-
Earth, Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.173.69-3.81
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Cleavage
{001} Indistinct, {???} Indistinct
Distinct on {110}, imperfect on {010}, poor on {001}
Mohs Hardness
5.58.5
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
BeAl 2 O 4
Luster
-
Vitreous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
X = red; Y = yellow-orange; Z = emerald-green
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.604-1.6461.746-1.763
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
monoclinic
Orthorhombic
Birefringence
0.031-0.0360.007-0.013
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Balances digestive system and reduces bloating
-
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
Transformation