Sillimanite

Malachite

Sillimanite Vs Malachite

Sillimanite

Malachite

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Astrology

Origin

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

Southern and central Africa

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Green

Streak

White

Green

For which Rashi?

Capricorn, Scorpio

Planet

Venus

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Freyja

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.20-3.263.25-4.10

1 7.18

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Fracture

Splintery

Conchoidal, Uneven

Cleavage

{010} perfect

Perfect on { 2 01} fair on {010}

Mohs Hardness

6-7.53.5-4

2 10

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Chemical Composition

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

Cu₂CO₃(OH)₂

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Adamantine, Vitreous, Silky

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.020.04

0.005 1

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Transparency

Transparent, Translucent

Opaque

Refractive Index

1.653-1.6851.655-1.909

1 3.25

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Optic Character

Crystal System

Orthorhombic

monoclinic

Birefringence

0.020-0.0220.254

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Creativity

Transformation

Healing

Emotional healing

Qualities Associated

Creativity

Transformation

Sillimanite Vs Malachite Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Malachite Luster

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