1 Astrology
1.1 Origin
1.2 Color
Brownish, Black, Reddish, Brown, Blue
Red
1.3 Streak
1.4 For which Rashi?
Not Available
Taurus, Leo, Taurus, Leo, Taurus, Leo
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
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
Not Available
Isis, Bragi
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Protection, Healing, Courage
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
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
{0001} good, {10 1 0} parting
Absent
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
SiO2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
O = brownish gray; E = gray
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
Translucent, Transparent to nearly opaque
3.5 Refractive Index
1.79-1.8071.535-1.539
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.003-0.009
0
0.296
3.9 Clarity
Handbook of mineralogy (2001)
Translucent
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