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Sillimanite
Sillimanite

Pezzotaite
Pezzotaite



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Sillimanite
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Pezzotaite

Astrology

Origin

USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Afghanistan, Madagascar

Color

Blue, Green, Brownish, Greenish, Colorless, gray
Red

Streak

White
-

For which Rashi?

-
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Planet

-
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Element of Planets

-
-

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

-
-

Physical Properties

Tenacity

Tough
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Solubility

-
-

Durability

-
-

Specific Gravity

3.20-3.26-9999
1 7.18
👆🏻

Fracture

Splintery
-

Cleavage

{010} perfect
Indistinct

Mohs Hardness

6-7.5-9999
2 10
👆🏻

Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
Cs(Be2Li)Al2Si6O18

Optical Properties

Luster

Vitreous, Subadamantine, Silky
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Pleochroism

Colourless to pale brown to yellow
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Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.653-1.6851.60-1.61
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.020-0.022-9999
0 0.296
👆🏻

Clarity

Transparent
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Benefits

Physical

Neurological

-
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Cardiovascular

-
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Respiratory

Good
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Reproductive

-
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Digestive

-
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Psychology

Creativity
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Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
-