Anatase

Sillimanite

Anatase Vs Sillimanite

Anatase

Sillimanite

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Astrology

Origin

Switzerland

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

Color

Colorless, Yellow, Blue, Reddish, Black, Brown, gray

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

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

Brittle

Tough

Solubility

Durability

Specific Gravity

3.82-3.973.20-3.26

1 7.18

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Fracture

Subconchoidal, Conchoidal

Splintery

Cleavage

Perfect on [001] and [011]

{010} perfect

Mohs Hardness

5.5-66-7.5

2 10

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Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Optical Properties

Luster

Adamantine

Vitreous, Subadamantine, Silky

Pleochroism

Weak

Colourless to pale brown to yellow

Dispersion

0.210.02

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

2.488-2.5621.653-1.685

1 3.25

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Optic Character

Crystal System

tetragonal

Orthorhombic

Birefringence

0.0730.020-0.022

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Clarity

Creativity

Healing

Emotional healing

Qualities Associated

Creativity

Anatase Vs Sillimanite Fracture

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

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Anatase Vs Sillimanite Luster

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