Origin
Southern and central Africa
Kenya, Southern and central Africa
Color
Colorless, White, Yellow, pink
Green, Brown, Yellow, Red
Streak
White
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For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
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-
Tenacity
Brittle
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Solubility
-
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Durability
-
-
Specific Gravity
1.793.55-3.70
1
7.18
👆🏻
Fracture
Irregular/uneven
-
Cleavage
Perfect on {10bar10}
Perfect
Mohs Hardness
2.54-7
2
10
👆🏻
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Nearly colorless to pale golden yellow
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.4921.710-1.735
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Trigonal
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Birefringence
-99990.012-0.033
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
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Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Harmony
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Growth
Tranquility