Cordierite Iolite

Rubellite

Cordierite Iolite Vs Rubellite

Cordierite Iolite

Rubellite

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Astrology

Origin

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

Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka

Color

Violet, Blue

White, Colorless, Blue, Red, Green, Yellow, Violet

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

2.56-2.663.01-3.06

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Conchoidal

Cleavage

Distinct

Indiscernible

Mohs Hardness

7-7.57-7.5

2 10

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Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Optical Properties

Luster

Vitreous

Pleochroism

Strong trichroism: colorless to yellowish

Strong: dark red pinkish-redHerve Nicolas Lazzarelli

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

1.542-1.5781.614-1.666

1 3.25

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Optic Character

Biaxial/+

Crystal System

Birefringence

0.008-0.0120.014-0.040

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Inner vision

Passion

Healing

Emotional healing

Qualities Associated

Intuition

Passion

Cordierite Iolite Vs Rubellite Fracture

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

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Cordierite Iolite Vs Rubellite Luster

A primary knowledge about Cordierite Iolite vs Rubellite 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.