Nephrite

Cordierite

Nephrite Vs Cordierite

Nephrite

Cordierite

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Astrology

Origin

China, Canada

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

Color

Green, Yellow, Brown, White, gray, 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

2.90-3.102.57-2.66

1 7.18

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Fracture

Splintery, Granular

Subconchoidal, Conchoidal

Cleavage

None

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

Mohs Hardness

6-6.57-7.5

2 10

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Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Mg2Al4Si5O18

Optical Properties

Luster

Vitreous, Greasy

Greasy, Vitreous

Pleochroism

None

X = pale yellow

Dispersion

0.010.01

0.005 1

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Transparency

Translucent

Refractive Index

1.600-1.627-9999

1 3.25

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Optic Character

Crystal System

monoclinic

Orthorhombic

Birefringence

0.027-9999

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Supports healthy digestion

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Emotional Balance

Intuition

Healing

Physical healing

Emotional healing

Qualities Associated

Healing

Psychic Abilities

Nephrite Vs Cordierite Fracture

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

Compare Green Gemstones

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Nephrite Vs Cordierite Luster

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