Sillimanite

Pyrite

Sillimanite Vs Pyrite

Sillimanite

Pyrite

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Astrology

Origin

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

Brazil

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Yellow

Streak

White

Greenish, Black, Brownish

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

Brittle

Solubility

insoluble in water

Durability

Specific Gravity

3.20-3.265.00-5.20

1 7.18

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Fracture

Splintery

Uneven, Conchoidal, ConchoidalWalter Schumann

Cleavage

{010} perfect

Indistinct on {001}; partings on {011} and {111}

Mohs Hardness

6-7.56-6.5

2 10

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Chemical Composition

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

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.020.04

0.005 1

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Transparency

Transparent, Translucent

OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.653-1.685-9999

1 3.25

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Optic Character

Crystal System

Orthorhombic

Isometric

Birefringence

0.020-0.022-9999

0 0.296

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Clarity

Transparent

OpaqueHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Abundance

Healing

Emotional healing

Physical healing

Qualities Associated

Creativity

Abundance

Sillimanite Vs Pyrite Fracture

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

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Sillimanite Vs Pyrite Luster

A primary knowledge about Sillimanite vs Pyrite 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.