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Cordierite Iolite
Cordierite Iolite

Annabergite
Annabergite



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Cordierite Iolite
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Annabergite

Cordierite Iolite Vs Annabergite

Astrology

Origin

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

Violet, Blue
Green, Pale pink, White, rose, gray, Greenish, Yellow

Streak

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Green, White

For which Rashi?

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Planet

-
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Element of Planets

-
-

Energy

-
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How to Wear?

Finger

-
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Ring Metal

-
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Deities

-
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Not to wear with

-
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Powers

-
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Birthstone

Planetary

-
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Talisman

-
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Physical Properties

Tenacity

-
Sectile

Solubility

-
-

Durability

-
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Specific Gravity

2.56-2.663.07
1 7.18
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Fracture

Uneven, ConchoidalWalter Schumann
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Cleavage

Distinct
Perfect on {010}, indistinct on {100} and {102}

Mohs Hardness

7-7.52
2 10
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Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Ni3(AsO4)2•8(H2O)

Optical Properties

Luster

Vitreous
Subadamantine, Pearly

Pleochroism

Strong trichroism: colorless to yellowish
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Dispersion

0.020.03
0.005 1
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Transparency

Transparent
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Refractive Index

1.542-1.5781.622
1 3.25
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Optic Character

Biaxial/+
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Crystal System

-
monoclinic

Birefringence

0.008-0.0120.065
0 0.296
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Clarity

Transparent
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Benefits

Physical

Neurological

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Cardiovascular

-
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Respiratory

Good
Poor

Reproductive

-
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Digestive

-
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Psychology

Inner vision
Harmony

Healing

Emotional healing
Emotional healing

Qualities Associated

Intuition
Healing

Cordierite Iolite Vs Annabergite Fracture

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

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