Origin
Southern and central Africa
Southern and central Africa
Color
Red, Blue, Green, Reddish, Brown
Green, Grey, White
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
-
-
Durability
-
-
Specific Gravity
3.79-3.942.60-3.02
1
7.18
👆🏻
Fracture
Lamellar, Splintery
Uneven
Cleavage
{100} Good, {001} Good, {010} Poor
{001} Perfect
Mohs Hardness
42-2.5
2
10
👆🏻
Chemical Composition
FeAs
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Luster
Waxy
Pearly, Greasy
Pleochroism
-
Distinct: light yellow-green to light bluE
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
Transparent
Refractive Index
1.670-1.7341.571-1.597
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Harmony
Healing
-
Physical healing
Qualities Associated
Emotional Healing
Emotional Healing