Fire Opal

Cordierite Iolite

Fire Opal Vs Cordierite Iolite

Fire Opal

Cordierite Iolite

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Astrology

Origin

USA

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

Color

Red

Violet, Blue

Streak

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

Solubility

Durability

Specific Gravity

1.97-2.222.56-2.66

1 7.18

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Fracture

Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

None

Distinct

Mohs Hardness

6-6.57-7.5

2 10

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Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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

Optical Properties

Luster

Vitreous

Pleochroism

Strong trichroism: colorless to yellowish

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.370-1.4701.542-1.578

1 3.25

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Optic Character

Biaxial/+

Crystal System

Birefringence

-99990.008-0.012

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Passion

Inner vision

Healing

Emotional healing

Qualities Associated

Passion

Intuition

Fire Opal Vs Cordierite Iolite Fracture

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

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Fire Opal Vs Cordierite Iolite Luster

A primary knowledge about Fire Opal 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. Cordierite Iolite, on other hand, exhibits Vitreous luster.