Cordierite

Anhydrite

Cordierite Vs Anhydrite

Cordierite

Anhydrite

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Astrology

Origin

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

Mexico

Color

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

Colorless, Blue, Violet, White, Brown, rose, 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

2.57-2.662.90-2.98

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

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

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

Mohs Hardness

7-7.53.5

2 10

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Chemical Composition

Mg2Al4Si5O18

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Greasy, Vitreous

Pearly, Greasy

Pleochroism

X = pale yellow

For violet varieties

Dispersion

0.010.01

0.005 1

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Transparency

Transparent

Refractive Index

-99991.570-1.614

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-99990.042-0.044

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Supports healthy digestion

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Intuition

Calmness

Healing

Emotional healing

Qualities Associated

Psychic Abilities

Acceptance

Cordierite Vs Anhydrite Fracture

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

Compare Blue Gemstones

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Cordierite Vs Anhydrite Luster

A primary knowledge about Cordierite vs Anhydrite 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. Anhydrite, on other hand, exhibits Pearly and Greasy luster.