Origin
Afghanistan, Southern and central Africa
Brazil, Southern and central Africa
Color
Blue, Greenish, Violet
Blue, Green, Black
Streak
Blue, 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
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.753.04-3.17
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Imperfect on {110}
{001} Indistinct, {???} Indistinct
Mohs Hardness
5.55.5
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
(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
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.5001.604-1.646
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-99990.031-0.036
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
Balances digestive system and reduces bloating
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Psychic Abilities