Sapphire

Cordierite

Sapphire Vs Cordierite

Sapphire

Cordierite

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Astrology

Origin

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

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

Color

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

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

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

3.95-4.032.57-2.66

1 7.18

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Fracture

Uneven

Subconchoidal, Conchoidal

Cleavage

None, but may exhibit parting

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

Mohs Hardness

97-7.5

2 10

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Chemical Composition

Al ₂ O ₃

Mg2Al4Si5O18

Optical Properties

Luster

Vitreous, Adamantine

Greasy, Vitreous

Pleochroism

Strong

X = pale yellow

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Refractive Index

1.762-1.788-9999

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.008-0.009-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Supports healthy digestion

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Intuition

Healing

Emotional healing

Qualities Associated

Wisdom

Psychic Abilities

Sapphire Vs Cordierite Fracture

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

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Sapphire Vs Cordierite Luster

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