1 Astrology
1.1 Origin
Canada
1.2 Color
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
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
Brittle
2.2 Solubility
Not Available
2.3 Durability
Not Available
2.4 Specific Gravity
2.72-2.83
Check 2.72-2.83 Range Gemstones!
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
2.6 Cleavage
Good on {100} and {110}
2.7 Mohs Hardness
6-7
Check 6-7 Range Gemstones!
2
10
2.8 Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Pearly
3.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
3.3 Dispersion
Not Available
Rank: N/A (Overall) ▶
0.007
1
3.4 Transparency
Transparent, Translucent
3.5 Refractive Index
1.610-1.647
Check 1.610-1.647 Range Gemstones!
1
3.25
3.6 Optic Character
Not Available
3.7 Crystal System
tetragonal
3.8 Birefringence
0.021
Check 0.021 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