Origin
Brazil, Southern and central Africa
Canada, Brazil, Madagascar, Mozambique, Russia, India, Pakistan, China, Sri Lanka, Origins: Canada, Namibia
Color
Blue, Green, Black
Green, Blue, Yellow, Colorless, pink
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
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.172.60-2.90
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal, Irregular
Cleavage
{001} Indistinct, {???} Indistinct
Imperfect on {0001}
Mohs Hardness
5.57.5-8
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Be3Al2Si6O18
Luster
-
Vitreous, Resinous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Weak to distinct
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Transparent to opaque
Refractive Index
1.604-1.6461.560-1.604
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.031-0.0360.0040-0.0070
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
Communication
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
Courage