Origin
Southern and central Africa
Canada, Russia, Brazil
Color
Brown, Green, gray, White
Brown, Red, Yellow, Violet
Streak
gray, White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
H₂SO₄
Durability
-
-
Specific Gravity
3.15-3.2592.74-3.00
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
5.5-65-5.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
Weak: O= colorless
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.625-1.7181.591-1.633
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
Birefringence
-99990.003-0.010
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
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-
Cardiovascular
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-
Respiratory
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Good
Reproductive
-
-
Digestive
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-
Psychology
Focus
Transformation
Healing
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Emotional healing
Qualities Associated
Protection
Self-Love