Pyrope

Sillimanite

Pyrope Vs Sillimanite

Pyrope

Sillimanite

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Astrology

Origin

China, Kenya, Russia, Sri Lanka, Zambia

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

Color

Red, pink, Black, orange

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

Tough

Solubility

insoluble in water

Durability

Specific Gravity

3.62-3.873.20-3.26

1 7.18

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Fracture

Conchoidal

Splintery

Cleavage

None

{010} perfect

Mohs Hardness

7-7.56-7.5

2 10

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Chemical Composition

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Optical Properties

Luster

Greasy, Vitreous

Vitreous, Subadamantine, Silky

Pleochroism

None

Colourless to pale brown to yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.720-1.7561.653-1.685

1 3.25

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Optic Character

Crystal System

cubic

Orthorhombic

Birefringence

-99990.020-0.022

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Passion

Creativity

Healing

Emotional healing

Qualities Associated

Energy

Creativity

Pyrope Vs Sillimanite Fracture

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

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Pyrope Vs Sillimanite Luster

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