1 Astrology
1.1 Origin
Not Available, Southern and central Africa
Madagascar
1.2 Color
Blue
Brownish, Black, Reddish, Brown, Blue
1.3 Streak
Not Available
Reddish, Brown
1.4 For which Rashi?
Capricorn, Scorpio
Not Available
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
1,1 basal.
{0001} good, {10 1 0} parting
2.7 Mohs Hardness
2.8 Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
(Ca,Ce)(Al,Ti,Mg)12O19
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
O = brownish gray; E = gray
3.3 Dispersion
3.4 Transparency
Translucent
Handbook of mineralogy (2001)
3.5 Refractive Index
1.655-1.9091.79-1.807
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.108-0.254Not Available
0
0.296
3.9 Clarity
Translucent
Handbook of mineralogy (2001)
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available