Alexandrite

Cordierite Iolite

Alexandrite Vs Cordierite Iolite

Alexandrite

Cordierite Iolite

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Astrology

Origin

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia

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

Color

Green

Violet, Blue

Streak

For which Rashi?

Scorpio

Planet

Venus

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.69-3.812.56-2.66

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

1,1 ; 3,2.

Distinct

Mohs Hardness

8.57-7.5

2 10

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Chemical Composition

BeAl ₂ O ₄

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

Optical Properties

Luster

Vitreous

Pleochroism

Strong trichroism: colorless to yellowish

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Transparent to nearly opaque

Transparent

Refractive Index

1.739-1.7701.542-1.578

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.007-0.0100.008-0.012

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Excellent

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Transformation

Inner vision

Healing

Emotional healing

Qualities Associated

Transformation

Intuition

Alexandrite Vs Cordierite Iolite Fracture

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

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Alexandrite Vs Cordierite Iolite Luster

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