Sillimanite

Hematite

Sillimanite Vs Hematite

Sillimanite

Hematite

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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

Black, Reddish, gray, Red

Streak

White

Black, Brown, Reddish, Red

For which Rashi?

Aries, Aquarius

Planet

Saturn

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Mars

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Brittle

Solubility

Durability

Specific Gravity

3.20-3.265.00-5.30

1 7.18

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Fracture

Splintery

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

{010} perfect

None, may show partings on {0001} and {10 1 1}

Mohs Hardness

6-7.56

2 10

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Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Pleochroism

Colourless to pale brown to yellow

O = brownish red; E = yellowish red

Dispersion

0.020.05

0.005 1

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Transparency

Transparent, Translucent

OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.653-1.6852.690-3.220

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

0.020-0.0220.280

0 0.296

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Clarity

Transparent

OpaqueHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Grounding

Healing

Emotional healing

Physical healing

Qualities Associated

Creativity

Grounding

Sillimanite Vs Hematite Fracture

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

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Sillimanite Vs Hematite Luster

A primary knowledge about Sillimanite vs Hematite 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.