Origin
Tanzania
Brazil, Southern and central Africa
Color
Blue
Blue, Green, Black
Streak
White, Colorless
White
For which Rashi?
Sagittarius, Pisces, Virgo
Gemini, Sagittarius
Planet
-
Jupiter
Element of Planets
Air, Water, Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Love, Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
Hard
-
Specific Gravity
3.353.04-3.17
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Perfect {010}, imperfect {100}
{001} Indistinct, {???} Indistinct
Mohs Hardness
6.5-75.5
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous
-
Pleochroism
Present
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.685-1.7071.604-1.646
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.006-0.0180.031-0.036
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
Balances digestive system and reduces bloating
Cardiovascular
-
-
Respiratory
Excellent
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Intuition
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Psychic Abilities