Origin
Southern and central Africa
-
Color
Red, Blue, Green, Reddish, Brown
Green, Yellow, Brown, White, Colorless, Blue, Brownish, Black
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
-
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.79-3.942.36
1
7.18
👆🏻
Fracture
Lamellar, Splintery
Uneven, Subconchoidal, Fibrous
Cleavage
{100} Good, {001} Good, {010} Poor
[110] perfect, [101] good, [010] distinct
Mohs Hardness
43.5-4
2
10
👆🏻
Chemical Composition
FeAs
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Waxy
Vitreous, Resinous, Pearly
Pleochroism
-
Weak
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
-
Refractive Index
1.670-1.7341.518-1.561
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.025
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
-
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
-
Clarity
Healing
-
Emotional healing
Qualities Associated
Emotional Healing
Clarity