Origin
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Mexico, USA, Spain
Color
Blue, Green
Green, Brown, Yellow, Red, Black
Streak
Blue
Brownish, 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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.153.95-4.10
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
perfect along [010] and [100]
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
3.5-43.5-4
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky
Adamantine
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
-
Dispersion
0.020.16
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.752-1.8152.368-2.371
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.063-9999
0
0.296
👆🏻
Clarity
Translucent
Transparent
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
Communication
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Healing
Emotional healing
Physical healing
Qualities Associated
Communication
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