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Cordierite Iolite
Cordierite Iolite

Shigaite
Shigaite



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Cordierite Iolite
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Shigaite

Cordierite Iolite Vs Shigaite

Astrology

Origin

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

Violet, Blue
Yellow, Brown, Black, orange

Streak

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Yellow, White

For which Rashi?

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-

Planet

-
-

Element of Planets

-
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Energy

-
-

How to Wear?

Finger

-
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Ring Metal

-
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Deities

-
-

Not to wear with

-
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Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
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Physical Properties

Tenacity

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Moderately flexible

Solubility

-
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Durability

-
-

Specific Gravity

2.56-2.662.32
1 7.18
👆🏻

Fracture

Uneven, ConchoidalWalter Schumann
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Cleavage

Distinct
Perfect on {0001}

Mohs Hardness

7-7.52
2 10
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Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Pb6Cu3BiS4

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Strong trichroism: colorless to yellowish
Distinct

Dispersion

0.020.05
0.005 1
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Transparency

Transparent
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Refractive Index

1.542-1.5781.546
1 3.25
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Optic Character

Biaxial/+
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Crystal System

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Trigonal

Birefringence

0.008-0.012-9999
0 0.296
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Clarity

Transparent
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Benefits

Physical

Neurological

-
-

Cardiovascular

-
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Respiratory

Good
Excellent

Reproductive

-
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Digestive

-
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Psychology

Inner vision
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Healing

Emotional healing
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Qualities Associated

Intuition
Vitality

Cordierite Iolite Vs Shigaite Fracture

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

Cordierite Iolite Vs Shigaite Luster

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