1 Astrology
1.1 Origin
Southern and central Africa
1.2 Color
Brown, Brownish, White, Colorless, Yellow
1.3 Streak
White
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
1.58-1.60
Check 1.58-1.60 Range Gemstones!
1
7.18
2.5 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
{011} Imperfect
2.7 Mohs Hardness
2
Check 2 Range Gemstones!
2
10
2.8 Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous
3.2 Pleochroism
Weak: yellowish brown yellowAnthony et al
3.3 Dispersion
Not Available
Rank: N/A (Overall) ▶
0.007
1
3.4 Transparency
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.509-1.541
Check 1.509-1.541 Range Gemstones!
1
3.25
3.6 Optic Character
Not Available
3.7 Crystal System
Not Available
3.8 Birefringence
0.030
Check 0.030 Range Gemstones!
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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