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Cordierite Iolite
Cordierite Iolite

Austinite
Austinite



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Cordierite Iolite
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Austinite

Cordierite Iolite Vs Austinite

Astrology

Origin

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

Color

Violet, Blue
Colorless, White, Green, Brown

Streak

-
White

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

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

2.56-2.664.12
1 7.18
👆🏻

Fracture

Uneven, ConchoidalWalter Schumann
Uneven

Cleavage

Distinct
Good in two directions parallel to the prism faces {110}

Mohs Hardness

7-7.54-4.5
2 10
👆🏻

Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
CaZn(AsO4)(OH)

Optical Properties

Luster

Vitreous
Subadamantine, Silky

Pleochroism

Strong trichroism: colorless to yellowish
-

Dispersion

0.020.03
0.005 1
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Transparency

Transparent
-

Refractive Index

1.542-1.5781.759
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

-
Orthorhombic

Birefringence

0.008-0.0120.024
0 0.296
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Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Inner vision
Compassion

Healing

Emotional healing
Emotional healing

Qualities Associated

Intuition
Transformation

Cordierite Iolite Vs Austinite Fracture

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

Cordierite Iolite Vs Austinite Luster

A primary knowledge about Cordierite Iolite vs Austinite 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. Austinite, on other hand, exhibits Subadamantine and Silky luster.