Cordierite

Alexandrite

Cordierite Vs Alexandrite

Cordierite

Alexandrite

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Astrology

Origin

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

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

Color

Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Green

Streak

White

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

Brittle

Solubility

Durability

Specific Gravity

2.57-2.663.69-3.81

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Fair on {100}, poor on {001} and {010}

1,1 ; 3,2.

Mohs Hardness

7-7.58.5

2 10

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Chemical Composition

Mg2Al4Si5O18

BeAl ₂ O ₄

Optical Properties

Luster

Greasy, Vitreous

Vitreous

Pleochroism

X = pale yellow

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Transparent to nearly opaque

Refractive Index

-99991.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

-99990.007-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Supports healthy digestion

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Intuition

Transformation

Healing

Emotional healing

Qualities Associated

Psychic Abilities

Transformation

Cordierite Vs Alexandrite Fracture

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

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Cordierite Vs Alexandrite Luster

A primary knowledge about Cordierite vs Alexandrite 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 exhibits Greasy and Vitreous luster. Alexandrite, on other hand, exhibits Vitreous luster.