Prasiolite

Sillimanite

Prasiolite Vs Sillimanite

Prasiolite

Sillimanite

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Astrology

Origin

Canada

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

Color

Green

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

White

For which Rashi?

Libra, Sagittarius, Taurus

Planet

Jupiter

Element of Planets

Water

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

2.653.20-3.26

1 7.18

👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann

Splintery

Cleavage

3,1

{010} perfect

Mohs Hardness

76-7.5

2 10

👆🏻

Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Optical Properties

Luster

Vitreous

Vitreous, Subadamantine, Silky

Pleochroism

Very weak: light green pale greenWalter Schumann

Colourless to pale brown to yellow

Dispersion

0.010.02

0.005 1

👆🏻

Transparency

Transparent, Translucent

Refractive Index

1.544-1.5531.653-1.685

1 3.25

👆🏻

Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.0090.020-0.022

0 0.296

👆🏻

Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Creativity

Healing

Emotional healing

Qualities Associated

Spiritual Connection

Creativity

Prasiolite Vs Sillimanite Fracture

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

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Prasiolite Vs Sillimanite Luster

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