Origin
Southern and central Africa
Australia
Color
Brown, Green, gray, White
Reddish, Brown, Red, pink
Streak
gray, 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
-
Partly soluble in HCl.
Durability
-
-
Specific Gravity
3.15-3.2593.32-3.43
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
5.5-65.5-6
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
Weak
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.625-1.7181.662-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Triclinic
Birefringence
-99990.013-0.015
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Love
Healing
-
Emotional healing
Qualities Associated
Protection
Love