Sillimanite

Rutile

Sillimanite Vs Rutile

Sillimanite

Rutile

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Astrology

Origin

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

Brazil, Southern and central Africa, Sri Lanka

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Red, gray

Streak

White

Red, Black

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Insoluble in acids

Durability

Specific Gravity

3.20-3.264.20-4.30

1 7.18

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Fracture

Splintery

Uneven, Conchoidal

Cleavage

{010} perfect

{110} good, 100 moderate, parting on {092} and {011}

Mohs Hardness

6-7.56-6.5

2 10

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Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Adamantine

Pleochroism

Colourless to pale brown to yellow

Weak to distinct brownish red-green-yellow

Dispersion

0.020.33

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.653-1.6852.609-2.903

1 3.25

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Optic Character

Crystal System

Orthorhombic

tetragonal

Birefringence

0.020-0.0220.296

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Clarity

Healing

Emotional healing

Physical healing

Qualities Associated

Creativity

Awareness

Sillimanite Vs Rutile Fracture

Fracture is an important parameter when you compare Sillimanite and Rutile Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Rutile fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Sillimanite is Splintery. Rutile fracture is Uneven and Conchoidal.

Compare Blue Gemstones

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Sillimanite Vs Rutile Luster

A primary knowledge about Sillimanite vs Rutile luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Sillimanite exhibits Vitreous, Subadamantine and Silky luster. Rutile, on other hand, exhibits Adamantine luster.