Origin
Southern and central Africa
Kazakhstan
Color
Brown, Green, gray, White
Green, Blue
Streak
gray, White
Green
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
-
Soluble
Durability
-
-
Specific Gravity
3.15-3.2593.25-3.35
1
7.18
👆🏻
Fracture
-
Conchoidal, ConchoidalWalter Schumann
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Perfect in three directions
Mohs Hardness
5.5-65
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
Weak; dark emerald green
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent
TranslucentHerve Nicolas Lazzarelli
Refractive Index
1.625-1.7181.644-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
Birefringence
-99990.051-0.053
0
0.296
👆🏻
Clarity
Transparent
TranslucentHerve Nicolas Lazzarelli
Physical
Neurological
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Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
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-
Psychology
Focus
Emotional Healing
Healing
-
Emotional healing
Qualities Associated
Protection
Emotional Healing