Origin
Mexico
Southern and central Africa
Color
Blue, Black
Colorless, White, gray, Brown, pink
Streak
Grey, Black, gray
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Flexible
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.6-4.763.05-3.08
1
7.18
👆🏻
Fracture
-
Uneven, Irregular, Conchoidal
Cleavage
Perfect on {0001}
None
Mohs Hardness
-99996.5
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Luster
Resinous
Vitreous
Pleochroism
Marked
-
Dispersion
0.080.02
0.005
1
👆🏻
Transparency
OpaqueAnthony et al
Semitransparent
Refractive Index
1.45-2.62-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
OpaqueAnthony et al
TranslucentAnthony et al
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Emotional Healing