Origin
Brazil, Southern and central Africa, Sri Lanka
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Color
Red, gray
Violet, White, gray, Brown, pink, Yellow
Streak
Red, Black
White
For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
-
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Solubility
Insoluble in acids
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Durability
-
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Specific Gravity
4.20-4.302.58-2.74
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
ConchoidalWalter Schumann, Splintery
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
{100} Distinct, {110} Distinct
Mohs Hardness
6-6.55.5-6
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Adamantine
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Pleochroism
Weak to distinct brownish red-green-yellow
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Dispersion
0.330.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
2.609-2.9031.540-1.579
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
tetragonal
Birefringence
0.2960.006-0.037
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
Good
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Reproductive
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Digestive
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Psychology
Clarity
Creativity
Healing
Physical healing
Emotional healing
Qualities Associated
Awareness
Problem Solving & Creativity