Origin
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Southern and central Africa
Color
Black, Blue, Yellow, Green
Green
Streak
Grey, Greenish, Brown
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For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
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Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
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Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.442.60-3.02
1
7.18
👆🏻
Fracture
Uneven, Splintery
-
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Perfect
Mohs Hardness
5.0-6.0-9999
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Silky
Pearly, Greasy
Pleochroism
X = blue
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.680-1.6981.571-1.597
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
monoclinic
-
Birefringence
0.005-0.008-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Empowerment
Spiritual Enlightenment
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
Spiritual Enlightenment