1 Astrology
1.1 Origin
Russia, Madagascar, Brazil
Not Available, Southern and central Africa
1.2 Color
Green, Green, White, Blue
Colorless, Colorless, Yellow
1.3 Streak
1.4 For which Rashi?
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
Not Available
Not Available
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
2.55-2.572.59-2.60
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
{001} Perfect, {110} Distinct, {101} Distinct
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi3O8
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
WeakMichael OâDonoghue
none.
3.3 Dispersion
3.4 Transparency
Translucent, Translucent to opaque
TransparentAnthony et al, Handbook of mineralogy (2001)
3.5 Refractive Index
1.522-1.5301.583-1.614
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Triclinic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
3.8 Birefringence
0.008-0.010Not Available
0
0.296
3.9 Clarity
Translucent
TransparentAnthony et al
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