Sillimanite

Chrome Tourmaline

Sillimanite Vs Chrome Tourmaline

Sillimanite

Chrome Tourmaline

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Astrology

Origin

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

Color

Blue, Green, Brownish, Greenish, Colorless, gray

White, Colorless, Blue, Red, Green, Yellow, Violet

Streak

White

For which Rashi?

Libra

Planet

Venus, Mars

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Venus, Mars

Not to wear with

Powers

Love, Courage

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.20-3.262.85-3.35

1 7.18

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Fracture

Splintery

Conchoidal

Cleavage

{010} perfect

3,2

Mohs Hardness

6-7.57-7.5

2 10

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Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas.

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.653-1.6851.614-1.666

1 3.25

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Optic Character

Crystal System

Orthorhombic

Hexagonal

Birefringence

0.020-0.0220.014-0.040

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Balance

Healing

Emotional healing

Qualities Associated

Creativity

Vitality

Sillimanite Vs Chrome Tourmaline Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Chrome Tourmaline Luster

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