Origin
Italy
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Color
Brownish, Red, Brown, Green, White, gray, Yellow, Reddish
Blue, Green
Streak
White
Blue
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
Tough
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Solubility
-
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Durability
-
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Specific Gravity
2.78-2.853.80-4.15
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
Perfect basal (001)
perfect along [010] and [100]
Mohs Hardness
2-2.53.5-4
2
10
👆🏻
Chemical Composition
KMg3(Si3Al)O10(F,OH)2
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Pearly
Silky
Pleochroism
-
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.040.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.530-1.5731.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0280-0.04500.063
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Self-discovery
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Awareness
Communication