Ruby

Sillimanite

Ruby Vs Sillimanite

Ruby

Sillimanite

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Astrology

Origin

Burma, Sri Lanka, Thailand, Cambodia, Vietnam, Madagascar, Tanzania, Kenya

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

Color

Red, pink

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

White

For which Rashi?

Leo, Scorpio, Cancer, Sagittarius

Planet

Mars

Element of Planets

Energy

How to Wear?

Finger

Ring Finger

Ring Metal

Gold, Copper

Deities

Buddha, Krishna

Not to wear with

Ruby, Blue Sapphire, Diamond, Gomed

Powers

Joy

Birthstone

Planetary

Talisman

Pisces

Physical Properties

Tenacity

Brittle

Tough

Solubility

Durability

Specific Gravity

3.97-4.053.20-3.26

1 7.18

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Fracture

Conchoidal

Splintery

Cleavage

No true cleavage

{010} perfect

Mohs Hardness

96-7.5

2 10

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Chemical Composition

Al ₂ O ₃

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

Optical Properties

Luster

Vitreous, Adamantine

Vitreous, Subadamantine, Silky

Pleochroism

Strong: purplish-red

Colourless to pale brown to yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Transparent, Translucent

Refractive Index

1.762-1.7781.653-1.685

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.0080.020-0.022

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Stimulates mental concentration and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Supports digestive health

Psychology

Passion

Creativity

Healing

Emotional healing

Qualities Associated

Energy

Creativity

Ruby Vs Sillimanite Fracture

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

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Ruby Vs Sillimanite Luster

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