1 Astrology
1.1 Origin
Brazil, 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
Blue, Green, Black
Green, Green, Blue, Yellow, Grey
1.3 Streak
1.4 For which Rashi?
Gemini, Sagittarius, Gemini, Sagittarius, Gemini, Sagittarius
Taurus, Gemini, Aries, Taurus, Gemini, Aries, Taurus, Gemini, Aries
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
1.8 Energy
1.9 Deities
Gia
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
3.04-3.172.67-2.78
1
7.18
2.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
{001} Indistinct, {???} Indistinct
Imperfect on the [0001]
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Be3Al2SiO6
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Strong dichroism: yellow green Lazzarelli
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.604-1.6461.565-1.602
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.031-0.0360.0040-0.0070
0
0.296
3.9 Clarity
Transparent
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