Cordierite

Almandine

Cordierite Vs Almandine

Cordierite

Almandine

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Astrology

Origin

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

Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA

Color

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

Red, Brown, Brownish, Black

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

Brittle

Solubility

Durability

Specific Gravity

2.57-2.663.95-4.30

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

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

none

Mohs Hardness

7-7.57-7.5

2 10

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Chemical Composition

Mg2Al4Si5O18

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

Greasy, Vitreous

Pleochroism

X = pale yellow

None

Dispersion

0.010.03

0.005 1

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Transparency

Refractive Index

-99991.770-1.820

1 3.25

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Optic Character

Crystal System

Orthorhombic

cubic

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Supports healthy digestion

Cardiovascular

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Intuition

Strength

Healing

Emotional healing

Qualities Associated

Psychic Abilities

Devotion

Cordierite Vs Almandine Fracture

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

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Cordierite Vs Almandine Luster

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