Thulite

Cordierite Iolite

Thulite Vs Cordierite Iolite

Thulite

Cordierite Iolite

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Astrology

Origin

Australia

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

Color

Red

Violet, Blue

Streak

White, Colorless

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

3.12.56-2.66

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

Perfect {010} imperfect {100}

Distinct

Mohs Hardness

6-77-7.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Optical Properties

Luster

Vitreous

Pleochroism

Present

Strong trichroism: colorless to yellowish

Dispersion

0.020.02

0.005 1

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Transparency

Opaque, Translucent, Opaque . May be translucent in thin backlit sections.

Transparent

Refractive Index

1.6951.542-1.578

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.006-0.0180.008-0.012

0 0.296

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Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Emotional Healing

Inner vision

Healing

Emotional healing

Qualities Associated

Love

Intuition

Thulite Vs Cordierite Iolite Fracture

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

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Thulite Vs Cordierite Iolite Luster

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