Astrology
Origin
Not Available
Southern and central Africa
Color
Brown, Red
Green
Streak
Grey, Black, gray
Greenish, White, Greenish, White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.58-4.65
2.9
Fracture
Uneven
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Cleavage
Absent
{???} Indistinct
Mohs Hardness
3.5-4.5
4.5
Chemical Composition
Not Available
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Optical Properties
Luster
Not Available
Waxy
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Not Available
Translucent
Refractive Index
3
1.612
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Birefringence
Not Available
Not Available
Clarity
Not Available
Translucent
Benefits
Physical
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
