Almandine

Cordierite

Almandine Vs Cordierite

Almandine

Cordierite

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Astrology

Origin

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

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

Color

Red, Brown, Brownish, Black

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

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

3.95-4.302.57-2.66

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

none

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

Mohs Hardness

7-7.57-7.5

2 10

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Chemical Composition

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

Mg2Al4Si5O18

Optical Properties

Luster

Greasy, Vitreous

Pleochroism

None

X = pale yellow

Dispersion

0.030.01

0.005 1

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Transparency

Refractive Index

1.770-1.820-9999

1 3.25

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Optic Character

Crystal System

cubic

Orthorhombic

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

Strength

Intuition

Healing

Emotional healing

Qualities Associated

Devotion

Psychic Abilities

Almandine Vs Cordierite Fracture

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

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Almandine Vs Cordierite Luster

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