Origin
-
Brazil, Southern and central Africa
Color
Brown, Blue, Green, Yellow, White
Blue, Green, Black
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
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.32-3.433.04-3.17
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Poor on {110} and {100} very poor on {001}
{001} Indistinct, {???} Indistinct
Mohs Hardness
6-75.5
2
10
👆🏻
Chemical Composition
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous, Resinous
-
Pleochroism
slight in colored varieties
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.703-1.7521.604-1.646
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
monoclinic
Birefringence
0.004-0.0060.031-0.036
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
Balances digestive system and reduces bloating
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Transformation
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Psychic Abilities