Amethyst

Cordierite Iolite

Amethyst Vs Cordierite Iolite

Amethyst

Cordierite Iolite

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Astrology

Origin

USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil

Canada, Madagascar, Southern and central Africa, Sri Lanka, USA

Color

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

Violet, Blue

Streak

White

For which Rashi?

Pisces, Scorpio, Sagittarius

Planet

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Diana

Not to wear with

Powers

Love, Courage

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

insoluble in common solvents

Durability

Specific Gravity

2.652.56-2.66

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Uneven, ConchoidalWalter Schumann

Cleavage

Indiscernible

Distinct

Mohs Hardness

77-7.5

2 10

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Chemical Composition

SiO₂

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

None

Strong trichroism: colorless to yellowish

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Transparent to translucent

Transparent

Refractive Index

1.544-1.5531.542-1.578

1 3.25

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Optic Character

Biaxial/+

Crystal System

Trigonal

Birefringence

0.0090.008-0.012

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Supports digestive health

Psychology

Calming

Inner vision

Healing

Emotional healing

Qualities Associated

Spirituality

Intuition

Amethyst Vs Cordierite Iolite Fracture

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

Compare Semi Precious Gemstones

Amethyst Vs Cordierite Iolite

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Amethyst Vs Cordierite Iolite Luster

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