Sillimanite

Amazonite

Sillimanite Vs Amazonite

Sillimanite

Amazonite

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Astrology

Origin

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

Russia, Madagascar, Brazil

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Green, White, Blue

Streak

White

For which Rashi?

Virgo

Planet

Saturn

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Artemis

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.20-3.262.55-2.57

1 7.18

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Fracture

Splintery

Uneven

Cleavage

{010} perfect

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

6-7.56-6.5

2 10

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Chemical Composition

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

KAlSi₃O₈

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, Translucent to opaque

Refractive Index

1.653-1.6851.522-1.530

1 3.25

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Optic Character

Crystal System

Orthorhombic

Triclinic

Birefringence

0.020-0.0220.008-0.010

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Creativity

Harmony

Healing

Emotional healing

Qualities Associated

Creativity

Harmony

Sillimanite Vs Amazonite Fracture

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

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Sillimanite Vs Amazonite Luster

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