Origin
Southern and central Africa
Switzerland
Color
Green
Colorless, Yellow, Blue, Reddish, Black, Brown, gray
Streak
White
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
-
Brittle
Solubility
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-
Durability
-
-
Specific Gravity
2.77-2.883.82-3.97
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
Perfect basal
Perfect on [001] and [011]
Mohs Hardness
2.55.5-6
2
10
👆🏻
Chemical Composition
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous, Pearly
Adamantine
Pleochroism
-
Weak
Dispersion
0.010.21
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.552-1.6182.488-2.562
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
-99990.073
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Self-worth
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
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