Origin
Mexico
Brazil
Color
Blue, Black
Yellow, White, Brown, Brownish, Black
Streak
Grey, Black, gray
Brown, Yellow, 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
-
Soluble
Durability
-
-
Specific Gravity
4.6-4.763.06-3.25
1
7.18
👆🏻
Fracture
-
Sub-Conchoidal, Conchoidal, Uneven
Cleavage
Perfect on {0001}
Poor/indistinct on {100}
Mohs Hardness
-99994.5-5
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Luster
Resinous
Vitreous, Resinous
Pleochroism
Marked
visible
Dispersion
0.080.03
0.005
1
👆🏻
Transparency
OpaqueAnthony et al
Transparent
Refractive Index
1.45-2.621.639-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Orthorhombic
Birefringence
-99990.027-0.042
0
0.296
👆🏻
Clarity
OpaqueAnthony et al
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Enhances mental clarity
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Joy