Origin
Southern and central Africa
Kenya, Southern and central Africa
Color
Green, Yellow, Red, Blue
Green, Brown, Yellow, Red
Streak
Black
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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
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
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Tenacity
-
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Solubility
-
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Durability
-
-
Specific Gravity
2.80-3.03.55-3.70
1
7.18
👆🏻
Fracture
-
-
Cleavage
{110} Good
Perfect
Mohs Hardness
34-7
2
10
👆🏻
Chemical Composition
NaFeS2•2(H2O)
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous, Silky
Vitreous
Pleochroism
Extreme
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Translucent
Transparent
Refractive Index
1.5801.710-1.735
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
-
Birefringence
-99990.012-0.033
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
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Cardiovascular
Supports heart health
Supports heart health
Respiratory
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Good
Reproductive
-
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Digestive
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Psychology
Optimism
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Growth
Tranquility