Cordierite Iolite

Peridot

Cordierite Iolite Vs Peridot

Cordierite Iolite

Peridot

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Astrology

Origin

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

China, Burma, Pakistan, USA, Southern and central Africa, Brazil

Color

Violet, Blue

Green

Streak

None

For which Rashi?

Libra, Taurus, Leo, Virgo

Planet

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Isis

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.661.54-1.55

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Conchoidal

Cleavage

Distinct

Poor

Mohs Hardness

7-7.56.5-7

2 10

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Chemical Composition

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

(Mg,Fe)₂SiO₄

Optical Properties

Luster

Vitreous

Vitreous, Greasy

Pleochroism

Strong trichroism: colorless to yellowish

Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.542-1.5781.64-1.69

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.008-0.0120.036

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Inner vision

Harmony

Healing

Emotional healing

Physical healing

Qualities Associated

Intuition

Health

Cordierite Iolite Vs Peridot Fracture

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

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Cordierite Iolite Vs Peridot Luster

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