Cordierite Iolite

Aragonite

Cordierite Iolite Vs Aragonite

Cordierite Iolite

Aragonite

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Astrology

Origin

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

Canada, Pakistan

Color

Violet, Blue

Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange

Streak

White

For which Rashi?

Virgo, Capricorn

Planet

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Durability

Specific Gravity

2.56-2.662.93-2.96

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Subconchoidal, Conchoidal

Cleavage

Distinct

Distinct on {010}, imperfect {110} and {011}

Mohs Hardness

7-7.53.5-4

2 10

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Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Resinous

Pleochroism

Strong trichroism: colorless to yellowish

StrongArthur Thomas

Dispersion

0.020.17

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

1.542-1.5781.525-1.686

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.008-0.0120.155

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Promotes focus and concentration

Cardiovascular

Supports heart health

Respiratory

Good

Poor

Reproductive

Digestive

Psychology

Inner vision

Stability

Healing

Emotional healing

Qualities Associated

Intuition

Centering

Cordierite Iolite Vs Aragonite Fracture

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

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Cordierite Iolite Vs Aragonite Luster

A primary knowledge about Cordierite Iolite vs Aragonite 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 Iolite exhibits Vitreous luster. Aragonite, on other hand, exhibits Vitreous and Resinous luster.