Sillimanite

Beryl

Sillimanite Vs Beryl

Sillimanite

Beryl

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Astrology

Origin

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

Canada, Brazil, Madagascar, Mozambique, Russia, India, Pakistan, China, Sri Lanka, Origins: Canada, Namibia

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Green, Blue, Yellow, Colorless, pink

Streak

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Brittle

Solubility

Durability

Specific Gravity

3.20-3.262.60-2.90

1 7.18

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Fracture

Splintery

Uneven, Conchoidal, Irregular

Cleavage

{010} perfect

Imperfect on {0001}

Mohs Hardness

6-7.57.5-8

2 10

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Chemical Composition

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

Be₃Al₂Si₆O₁₈

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous, Resinous

Pleochroism

Colourless to pale brown to yellow

Weak to distinct

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Transparent, Transparent to opaque

Refractive Index

1.653-1.6851.560-1.604

1 3.25

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Optic Character

Crystal System

Orthorhombic

Hexagonal

Birefringence

0.020-0.0220.0040-0.0070

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Communication

Healing

Emotional healing

Physical healing

Qualities Associated

Creativity

Courage

Sillimanite Vs Beryl Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Beryl Luster

A primary knowledge about Sillimanite vs Beryl 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. Beryl, on other hand, exhibits Vitreous and Resinous luster.