Cordierite Iolite

Williamsite

Cordierite Iolite Vs Williamsite

Cordierite Iolite

Williamsite

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Astrology

Origin

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

Southern and central Africa

Color

Violet, Blue

Green

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

2.56-2.662.51-2.63

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Conchoidal

Cleavage

Distinct

Perfect

Mohs Hardness

7-7.54

2 10

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Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous

Waxy, Silky, Resinous, Greasy

Pleochroism

Strong trichroism: colorless to yellowish

Dispersion

0.020.03

0.005 1

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Transparency

Transparent

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.542-1.5781.530-1.575

1 3.25

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Optic Character

Biaxial/+

Crystal System

Birefringence

0.008-0.012-9999

0 0.296

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Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Inner vision

Compassion

Healing

Emotional healing

Qualities Associated

Intuition

Compassion

Cordierite Iolite Vs Williamsite Fracture

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

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Cordierite Iolite Vs Williamsite Luster

A primary knowledge about Cordierite Iolite vs Williamsite 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. Williamsite, on other hand, exhibits Waxy, Silky, Resinous and Greasy luster.