1 Astrology
1.1 Origin
Not Available, Southern and central Africa
1.2 Color
Brown, White, Greenish, gray, Green, Brown, Brownish, White, Greenish, gray, Green, Brown, Brownish
1.3 Streak
gray
1.4 For which Rashi?
Not Available
1.5 Planet
Not Available
1.6 Element of Planets
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
1.7.2 Ring Metal
Not Available
1.8 Energy
Not Available
1.9 Deities
Not Available
1.10 Not to wear with
Not Available
1.11 Powers
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
1.12.2 Talisman
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
2.2 Solubility
Not Available
2.3 Durability
Not Available
2.4 Specific Gravity
2.9-3.5
Check 2.9-3.5 Range Gemstones!
1
7.18
2.5 Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
2.6 Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
2.7 Mohs Hardness
5.5-6
Check 5.5-6 Range Gemstones!
2
10
2.8 Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
3.2 Pleochroism
When Fe-rich
3.3 Dispersion
Not Available
Rank: N/A (Overall) ▶
0.007
1
3.4 Transparency
Transparent
3.5 Refractive Index
1.603-1.690
Check 1.603-1.690 Range Gemstones!
1
3.25
3.6 Optic Character
Biaxial/+
3.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
3.8 Birefringence
Not Available
Check Not Available Range Gemstones!
0
0.296
3.9 Clarity
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
4.1.2 Cardiovascular
Not Available
4.1.3 Respiratory
Not Available
4.1.4 Reproductive
Not Available
4.1.5 Digestive
Not Available
4.2 Psychology
Not Available
4.3 Healing
Not Available
4.4 Qualities Associated
Not Available