Sillimanite

Ruby

Sillimanite Vs Ruby

Sillimanite

Ruby

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Astrology

Origin

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

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

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Red, pink

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

Tough

Brittle

Solubility

Durability

Specific Gravity

3.20-3.263.97-4.05

1 7.18

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Fracture

Splintery

Conchoidal

Cleavage

{010} perfect

No true cleavage

Mohs Hardness

6-7.59

2 10

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Chemical Composition

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

Al ₂ O ₃

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous, Adamantine

Pleochroism

Colourless to pale brown to yellow

Strong: purplish-red

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Transparent, Translucent, Transparent to opaque

Refractive Index

1.653-1.6851.762-1.778

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

0.020-0.0220.008

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

Creativity

Passion

Healing

Emotional healing

Qualities Associated

Creativity

Energy

Sillimanite Vs Ruby Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Verdite

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Sillimanite Vs Ruby Luster

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