Origin
Mexico
Brazil, Colombia, Southern and central Africa
Color
Blue, Black
Greenish, Blue, Colorless, White, Green
Streak
Grey, Black, gray
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Flexible
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.6-4.763.08-3.12
1
7.18
👆🏻
Fracture
-
ConchoidalWalter Schumann
Cleavage
Perfect on {0001}
{010} Perfect
Mohs Hardness
-99997.5
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Vitreous
Pleochroism
Marked
Weak: colorless-(greenish) yellow
Dispersion
0.080.02
0.005
1
👆🏻
Transparency
OpaqueAnthony et al
-
Refractive Index
1.45-2.621.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
-99990.019-0.025
0
0.296
👆🏻
Clarity
OpaqueAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Good
Good
Reproductive
-
-
Digestive
-
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Psychology
Transformation
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Communication