Origin
Brazil
USA, Southern and central Africa
Color
Blue, Greenish
Brown, Green, White, gray, Blue, Yellow
Streak
White
White
For which Rashi?
-
-
Planet
-
-
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
3.314.00-4.65
1
7.18
👆🏻
Fracture
Uneven
Uneven, Sub-Conchoidal
Cleavage
{110} Good
Perfect on [1011]
Mohs Hardness
5.5-65-5.5
2
10
👆🏻
Chemical Composition
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Pearly
Pleochroism
Colorless blueAnthony et al
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.639-1.6801.620-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.0410.223-0.227
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition & Communication
Harmony