Smoky Quartz

Sillimanite

Smoky Quartz Vs Sillimanite

Smoky Quartz

Sillimanite

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Astrology

Origin

Brazil, Kenya, Madagascar, Southern and central Africa

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

Color

Brown, Black

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

White

For which Rashi?

Capricorn, Sagittarius

Planet

Saturn

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Nerthus

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Tough

Solubility

Durability

Specific Gravity

2.653.20-3.26

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Splintery

Cleavage

{0110} Indistinct

{010} perfect

Mohs Hardness

76-7.5

2 10

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Chemical Composition

SiO₂

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

Optical Properties

Luster

Vitreous

Vitreous, Subadamantine, Silky

Pleochroism

None

Colourless to pale brown to yellow

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.544-1.5531.653-1.685

1 3.25

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Optic Character

Crystal System

Hexagonal

Orthorhombic

Birefringence

0.0090.020-0.022

0 0.296

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Clarity

Opaque

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Creativity

Healing

Physical healing

Emotional healing

Qualities Associated

Grounding

Creativity

Smoky Quartz Vs Sillimanite Fracture

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

Compare Gems for Sagittarius

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Smoky Quartz Vs Sillimanite Luster

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