1 Astrology
13.17 Origin
USA, Afghanistan, Pakistan, Brazil, Madagascar
USA, Mexico
13.18 Color
Greenish
Green, Brown, Greenish, Brown, Green, Green, Black
13.19 Streak
Not Available
Greenish, gray, Greenish, gray
13.20 For which Rashi?
Not Available
Not Available
13.21 Planet
Not Available
Not Available
13.22 Element of Planets
Not Available
Not Available
13.23 How to Wear?
13.23.1 Finger
Not Available
Not Available
13.23.2 Ring Metal
Not Available
Not Available
13.24 Energy
Not Available
Not Available
13.25 Deities
Not Available
Not Available
13.26 Not to wear with
Not Available
Not Available
13.27 Powers
Not Available
Not Available
13.28 Birthstone
13.28.1 Planetary
Not Available
Not Available
13.28.2 Talisman
Not Available
Not Available
14 Physical Properties
14.1 Tenacity
Not Available
Not Available
14.2 Solubility
Not Available
Not Available
14.3 Durability
Not Available
Not Available
14.4 Specific Gravity
3.15-3.213.19-3.56
1
7.18
14.5 Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
14.6 Cleavage
1,2 prismatic
{110} Perfect, {010} Indistinct
14.7 Mohs Hardness
14.8 Chemical Composition
LiAlSi2O6
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
15 Optical Properties
15.1 Luster
Vitreous
Vitreous, Resinous
15.2 Pleochroism
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
Pale green
15.3 Dispersion
15.4 Transparency
Transparent
Transparent, Translucent
15.5 Refractive Index
1.657-1.6811.671-1.774
1
3.25
15.6 Optic Character
Not Available
Not Available
15.7 Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
15.8 Birefringence
0.014-0.016Not Available
0
0.296
15.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
16 Benefits
16.1 Physical
16.1.1 Neurological
Not Available
Not Available
16.1.2 Cardiovascular
Not Available
Not Available
16.1.3 Respiratory
Not Available
Not Available
16.1.4 Reproductive
Not Available
Not Available
16.1.5 Digestive
Not Available
Not Available
16.2 Psychology
Not Available
Not Available
16.3 Healing
Not Available
Not Available
16.4 Qualities Associated
Not Available
Not Available