Kyanite

Cordierite Iolite

Kyanite Vs Cordierite Iolite

Kyanite

Cordierite Iolite

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Astrology

Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

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

Color

Blue, Yellow, Colorless, White, gray, Green, Black

Violet, Blue

Streak

White

For which Rashi?

Aries, Libra, Taurus

Planet

Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.53-3.652.56-2.66

1 7.18

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Fracture

Splintery

Uneven, ConchoidalWalter Schumann

Cleavage

[100] perfect [010] imperfect with 79° angle between

Distinct

Mohs Hardness

4-77-7.5

2 10

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Chemical Composition

Al2SiO5

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

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Trichroic

Strong trichroism: colorless to yellowish

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.71-1.741.542-1.578

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

Birefringence

-99990.008-0.012

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

Psychology

Inner bridges

Inner vision

Healing

Physical healing

Emotional healing

Qualities Associated

Inner Peace

Intuition

Kyanite Vs Cordierite Iolite Fracture

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

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Kyanite Vs Cordierite Iolite Luster

A primary knowledge about Kyanite 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. Kyanite exhibits Vitreous and Pearly luster. Cordierite Iolite, on other hand, exhibits Vitreous luster.