1 Astrology
1.1 Origin
USA, Southern and central Africa
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Not Available, Mexico, Spain
1.2 Color
Brown, Green, White, gray, Blue, Yellow
Green, Blue, Yellow, Grey
1.3 Streak
1.4 For which Rashi?
Not Available
Taurus, Gemini, Aries
1.5 Planet
Not Available
Venus, Mercury
1.6 Element of Planets
1.7 Energy
Not Available
Not Available
1.8 How to Wear?
1.8.1 Finger
Not Available
Not Available
1.8.2 Ring Metal
1.9 Deities
Not Available
Diana, Artemis, Venus, Freyja
1.10 Not to wear with
Not Available
Red Coral, Natural Pearl, Moonstone, Ruby
1.11 Powers
Not Available
Protection, Love, Courage
1.12 Birthstone
1.12.1 Planetary
1.12.2 Talisman
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
2.4 Specific Gravity
4.00-4.652.67-2.78
1
7.18
2.5 Fracture
Uneven, Sub-Conchoidal
Uneven, ConchoidalWalter Schumann
2.6 Cleavage
Perfect on [1011]
Imperfect on the [0001]
2.7 Mohs Hardness
2.8 Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2SiO6
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
Not Available
Strong dichroism: yellow green Lazzarelli
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.620-1.8501.565-1.602
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.223-0.2270.0040-0.0070
0
0.296
3.9 Clarity
Translucent
Not Available
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