Origin
Brazil, Southern and central Africa
China, Canada
Color
Blue, Green, Black
Green, Yellow, Brown, White, gray, Black
Streak
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
-
-
Durability
-
-
Specific Gravity
3.04-3.172.90-3.10
1
7.18
👆🏻
Fracture
Uneven
Splintery, Granular
Cleavage
{001} Indistinct, {???} Indistinct
None
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
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Vitreous, Greasy
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
None
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.604-1.6461.600-1.627
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.031-0.0360.027
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Balances digestive system and reduces bloating
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Emotional Balance
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
Healing