Cordierite

Sapphire

Cordierite Vs Sapphire

Cordierite

Sapphire

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Astrology

Origin

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA

Color

Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Colorless, Yellow, Green, Violet, White, Blue, Red, pink

Streak

White

For which Rashi?

Pisces, Taurus, Gemini, Libra

Planet

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Apollo

Not to wear with

Powers

Psychic Power

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

2.57-2.663.95-4.03

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven

Cleavage

Fair on {100}, poor on {001} and {010}

None, but may exhibit parting

Mohs Hardness

7-7.59

2 10

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Chemical Composition

Mg2Al4Si5O18

Al ₂ O ₃

Optical Properties

Luster

Greasy, Vitreous

Vitreous, Adamantine

Pleochroism

X = pale yellow

Strong

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Refractive Index

-99991.762-1.788

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

-99990.008-0.009

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Supports healthy digestion

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Intuition

Healing

Emotional healing

Qualities Associated

Psychic Abilities

Wisdom

Cordierite Vs Sapphire Fracture

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

Compare Blue Gemstones

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Cordierite Vs Sapphire Luster

A primary knowledge about Cordierite vs Sapphire 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. Cordierite exhibits Greasy and Vitreous luster. Sapphire, on other hand, exhibits Vitreous and Adamantine luster.