Origin
Not Available
Madagascar
Color
Yellow, Violet, Green, Brown, White, gray, Greenish
Brownish, Black, Reddish, Brown, Blue
Streak
White
Reddish, Brown
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
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Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Elastic
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.9-3.1
3.84
Fracture
Uneven
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect basal {001}
{0001} good, {10 1 0} parting
Mohs Hardness
3.5-4.0
7.5-8
Chemical Composition
Not Available
(Ca,Ce)(Al,Ti,Mg)12O19
Luster
Pearly, Vitreous
Vitreous
Pleochroism
Distinct
O = brownish gray; E = gray
Dispersion
Not Available
Not Available
Transparency
Not Available
Handbook of mineralogy (2001)
Refractive Index
1.565-1.625
1.79-1.807
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Hexagonal
Birefringence
0.040-0.050
Not Available
Clarity
Not Available
Handbook of mineralogy (2001)
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