Hematite

Sillimanite

Hematite Vs Sillimanite

Hematite

Sillimanite

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Astrology

Origin

Southern and central Africa

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

Color

Black, Reddish, gray, Red

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

Black, Brown, Reddish, Red

White

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

Brittle

Tough

Solubility

Durability

Specific Gravity

5.00-5.303.20-3.26

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Splintery

Cleavage

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

{010} perfect

Mohs Hardness

66-7.5

2 10

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Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Pleochroism

O = brownish red; E = yellowish red

Colourless to pale brown to yellow

Dispersion

0.050.02

0.005 1

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Transparency

OpaqueHerve Nicolas Lazzarelli

Transparent, Translucent

Refractive Index

2.690-3.2201.653-1.685

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.2800.020-0.022

0 0.296

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Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Creativity

Healing

Physical healing

Emotional healing

Qualities Associated

Grounding

Creativity

Hematite Vs Sillimanite Fracture

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

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Hematite Vs Sillimanite Luster

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