Rutile

Sillimanite

Rutile Vs Sillimanite

Rutile

Sillimanite

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Astrology

Origin

Brazil, Southern and central Africa, Sri Lanka

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

Color

Red, gray

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

Red, Black

White

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

4.20-4.303.20-3.26

1 7.18

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Fracture

Uneven, Conchoidal

Splintery

Cleavage

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

{010} perfect

Mohs Hardness

6-6.56-7.5

2 10

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Chemical Composition

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

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

Optical Properties

Luster

Adamantine

Vitreous, Subadamantine, Silky

Pleochroism

Weak to distinct brownish red-green-yellow

Colourless to pale brown to yellow

Dispersion

0.330.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

2.609-2.9031.653-1.685

1 3.25

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Optic Character

Crystal System

tetragonal

Orthorhombic

Birefringence

0.2960.020-0.022

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Clarity

Creativity

Healing

Physical healing

Emotional healing

Qualities Associated

Awareness

Creativity

Rutile Vs Sillimanite Fracture

Fracture is an important parameter when you compare Rutile and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rutile Vs Sillimanite 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 Rutile is Uneven and Conchoidal. Sillimanite fracture is Splintery.

Compare Red Gemstones

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Rutile Vs Sillimanite Luster

A primary knowledge about Rutile vs Sillimanite 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. Rutile exhibits Adamantine luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.