Origin
Southern and central Africa
Brazil, Southern and central Africa
Color
Blue
Blue, Green, Black
Streak
-
White
For which Rashi?
Leo, Gemini, Capricorn
Gemini, Sagittarius
Planet
Uranus
Jupiter
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Frigg
-
Not to wear with
-
-
Powers
Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.04-3.17
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
{001} Indistinct, {???} Indistinct
Mohs Hardness
75.5
2
10
👆🏻
Chemical Composition
SiO2 with gold
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Luster
-
-
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
-99991.604-1.646
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
-99990.031-0.036
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in communication and self-expression
Balances digestive system and reduces bloating
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Psychic Abilities