1 Astrology
1.1 Origin
Afghanistan, Southern and central Africa, California
Not Available
1.2 Color
Violet, Colorless, gray, White
Colorless, White, Brownish, Reddish, Black, Brownish, Black, Colorless, gray, White, Reddish, Brown
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Jupiter, Neptune
Not Available
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
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
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven
2.6 Cleavage
{001} perfect
None observed
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Na 3AlF 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Greasy, Pearly
3.2 Pleochroism
X = almost colorless; Y = Z = pink
colorless.
3.3 Dispersion
3.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.525-1.5871.338-1.339
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.0290-0.03800.001
0
0.296
3.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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
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4.4 Qualities Associated
Not Available
Not Available