Sillimanite

Aventurine

Sillimanite Vs Aventurine

Sillimanite

Aventurine

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Astrology

Origin

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

Austria, India

Color

Blue, Green, Brownish, Greenish, Colorless, gray

White

Streak

White

For which Rashi?

Aries

Planet

Mercury

Element of Planets

Air

Energy

How to Wear?

Finger

Ring Metal

Deities

Venus

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.20-3.262.64-2.69

1 7.18

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Fracture

Splintery

Conchoidal

Cleavage

{010} perfect

Indiscernible

Mohs Hardness

6-7.57-6.5

2 10

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Chemical Composition

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

SiO₂

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Translucent, Opaque . May be translucent when backlit on the edges.

Refractive Index

1.653-1.6851.544-1.553

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

0.020-0.0220.007-0.010

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Creativity

Prosperity

Healing

Emotional healing

Qualities Associated

Creativity

Prosperity

Sillimanite Vs Aventurine Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Aventurine Luster

A primary knowledge about Sillimanite vs Aventurine 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. Aventurine, on other hand, exhibits Vitreous luster.