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Cordierite Iolite
Cordierite Iolite

Witherite
Witherite



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Cordierite Iolite
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Witherite

Cordierite Iolite Vs Witherite

Astrology

Origin

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

Color

Violet, Blue
White, Colorless, Brownish

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.56-2.664.27-4.35
1 7.18
👆🏻

Fracture

Uneven, ConchoidalWalter Schumann
Conchoidal

Cleavage

Distinct
{010} Distinct

Mohs Hardness

7-7.53-3.5
2 10
👆🏻

Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Strong trichroism: colorless to yellowish
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.542-1.5781.529-1.680
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

-
-

Birefringence

0.008-0.0120.148
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Poor

Reproductive

-
-

Digestive

-
-

Psychology

Inner vision
Peace

Healing

Emotional healing
-

Qualities Associated

Intuition
Peace

Cordierite Iolite Vs Witherite Fracture

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

Cordierite Iolite Vs Witherite Luster

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