Cordierite

Phenakite

Cordierite Vs Phenakite

Cordierite

Phenakite

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Astrology

Origin

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

USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka

Color

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

Colorless, Yellow, pink, Red

Streak

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.57-2.662.90-2.98

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

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

Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

7-7.57.5-8

2 10

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Chemical Composition

Mg2Al4Si5O18

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Greasy, Vitreous

Vitreous

Pleochroism

X = pale yellow

Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

Dispersion

0.010.02

0.005 1

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Transparency

Refractive Index

-99991.650-1.695

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

-99990.016

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Supports healthy digestion

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Intuition

Clarity

Healing

Emotional healing

Qualities Associated

Psychic Abilities

Spiritual Activation

Cordierite Vs Phenakite Fracture

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

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Cordierite Vs Phenakite Luster

A primary knowledge about Cordierite vs Phenakite 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. Phenakite, on other hand, exhibits Vitreous luster.