1 Astrology
1.1 Origin
Madagascar
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Not Available, Mexico, Spain
1.2 Color
Brownish, Black, Reddish, Brown, Blue
Green, Green, Blue, Yellow, Grey
1.3 Streak
1.4 For which Rashi?
Not Available
Taurus, Gemini, Aries, Taurus, Gemini, Aries, Taurus, Gemini, Aries
1.5 Planet
Not Available
Venus, Mercury
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
1.8 Energy
1.9 Deities
Not Available
Diana, Artemis, Venus, Freyja
1.10 Not to wear with
Not Available
Red Coral, Natural Pearl, Moonstone, Ruby, Red Coral, Natural Pearl, Moonstone, Ruby
1.11 Powers
Not Available
Money, Protection, Love, Courage
1.12 Birthstone
1.12.1 Planetary
1.12.2 Talisman
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
2.4 Specific Gravity
2.5 Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
{0001} good, {10 1 0} parting
Imperfect on the [0001]
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Be3Al2SiO6
3 Optical Properties
3.1 Luster
3.2 Pleochroism
O = brownish gray; E = gray
Strong dichroism: yellow green Lazzarelli
3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.79-1.8071.565-1.602
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.0040-0.0070
0
0.296
3.9 Clarity
Handbook of mineralogy (2001)
Color grading system
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