Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Brazil, Southern and central Africa
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Blue, Green, Black
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
3.69-3.813.04-3.17
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
{001} Indistinct, {???} Indistinct
Mohs Hardness
8.55.5
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous
-
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.746-1.7631.604-1.646
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.007-0.0130.031-0.036
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Balances digestive system and reduces bloating
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Transformation
Clarity
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Psychic Abilities