Origin
Mexico, USA, Spain
Italy, China
Color
Green, Brown, Yellow, Red, Black
Colorless, White, Blue, gray
Streak
Brownish, 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
-
-
Durability
-
-
Specific Gravity
3.95-4.103.09
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
3.5-48
2
10
👆🏻
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl2Si2O7(OH)2.H2O
Luster
Adamantine
Vitreous, Greasy
Pleochroism
-
Weak
Dispersion
0.160.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
2.368-2.3711.672-1.676
1
3.25
👆🏻
Optic Character
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-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.019-0.021
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
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Healing
Physical healing
Emotional healing
Qualities Associated
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