Origin
Southern and central Africa
Mexico, USA, Spain
Color
Brown, Green, gray, White
Green, Brown, Yellow, Red, Black
Streak
gray, White
Brownish, White
For which Rashi?
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Planet
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-
Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.15-3.2593.95-4.10
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
5.5-63.5-4
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Weak to moderate
-
Dispersion
0.020.16
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.625-1.7182.368-2.371
1
3.25
👆🏻
Optic Character
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-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Focus
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Healing
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Physical healing
Qualities Associated
Protection
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