Origin
Canada, Southern and central Africa
Colombia, Southern and central Africa
Color
Colorless, White, gray, pink, Green
Yellow
Streak
White
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
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Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.90
4.33-4.42
Fracture
Uneven, Gemstones (2009), Splintery
Not Available
Cleavage
Perfect on {100} and {001}
Not Available
Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.
Luster
Silky
Not Available
Pleochroism
NilArthur Thomas
Not Available
Dispersion
Not Available
Not Available
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.595-1.645
1.671-1.771
Optic Character
Not Available
Not Available
Crystal System
Triclinic
Not Available
Birefringence
0.028-0.038
0.099-0.100
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available