Origin
Brazil, Southern and central Africa
Switzerland, Australia, Brazil
Color
Blue, Green, Black
Yellow, Colorless, White, Brownish, Reddish
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.04-3.175.9-6.3
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
{001} Indistinct, {???} Indistinct
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
5.54.5-5
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Adamantine
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Definite dichoric in yellow (yellow to orange-brown)
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent, Transparent
Refractive Index
1.604-1.6461.918-1.936
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.031-0.0360.016
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Balances digestive system and reduces bloating
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Awareness
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
Balance & Clarity