Origin
Brazil, Southern and central Africa
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Color
Blue, Green, Black
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Streak
White
White
For which Rashi?
Gemini, Sagittarius
Pisces, Scorpio, Sagittarius
Planet
Jupiter
-
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Diana
Not to wear with
-
-
Powers
-
Love, Courage
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
insoluble in common solvents
Durability
-
-
Specific Gravity
3.04-3.172.65
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, ConchoidalWalter Schumann
Cleavage
{001} Indistinct, {???} Indistinct
Indiscernible
Mohs Hardness
5.57
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
SiO2
Luster
-
Vitreous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
None
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Transparent to translucent
Refractive Index
1.604-1.6461.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.031-0.0360.009
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Balances digestive system and reduces bloating
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
Supports reproductive health
Digestive
Supports digestive health
Supports digestive health
Psychology
Clarity
Calming
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Spirituality