Origin
Southern and central Africa
Brazil, Southern and central Africa
Color
Blue, Colorless, White
Blue, Green, Black
Streak
White
White
For which Rashi?
Gemini, Virgo
Gemini, Sagittarius
Planet
-
Jupiter
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Quan Yin
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.45-2.583.04-3.17
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None
{001} Indistinct, {???} Indistinct
Mohs Hardness
3-3.55.5
2
10
👆🏻
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous
-
Pleochroism
-
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.583-1.6081.604-1.646
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.0190.031-0.036
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
Balances digestive system and reduces bloating
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Calming
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Calming
Psychic Abilities