Sillimanite

Turquoise

Sillimanite Vs Turquoise

Sillimanite

Turquoise

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Astrology

Origin

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

Afghanistan, Australia, India

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Green, Blue, gray

Streak

White

For which Rashi?

Sagittarius, Pisces, Aquarius

Planet

Venus, Neptune

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Buddha

Not to wear with

Powers

Protection, Courage, Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Soluble

Durability

Specific Gravity

3.20-3.262.30-2.90

1 7.18

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Fracture

Splintery

Conchoidal

Cleavage

{010} perfect

Good to perfect_usually N/A

Mohs Hardness

6-7.55-6

2 10

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Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Waxy

Pleochroism

Colourless to pale brown to yellow

Weak

Dispersion

0.020.03

0.005 1

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Transparency

Transparent, Translucent

Translucent, Opaque

Refractive Index

1.653-1.6851.610-1.650

1 3.25

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Optic Character

Crystal System

Orthorhombic

Triclinic

Birefringence

0.020-0.0220.040

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Creativity

Protection

Healing

Emotional healing

Qualities Associated

Creativity

Protection

Sillimanite Vs Turquoise Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Turquoise Luster

A primary knowledge about Sillimanite vs Turquoise 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. Turquoise, on other hand, exhibits Waxy luster.