Nephrite

Coral

Nephrite Vs Coral

Nephrite

Coral

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Astrology

Origin

China, Canada

Southern and central Africa

Color

Green, Yellow, Brown, White, gray, Black

White, Blue

Streak

For which Rashi?

Pisces

Planet

Neptune

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Venus

Not to wear with

Powers

Healing, Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.102.60-2.70

1 7.18

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Fracture

Splintery, Granular

Irregular

Cleavage

None

Mohs Hardness

6-6.53-4

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

CaCO 3Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Greasy

Pleochroism

None

Dispersion

0.010.03

0.005 1

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Transparency

Translucent

Refractive Index

1.600-1.6271.486-1.658

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.0270.160-0.172

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Enhances intuition and psychic abilities

Respiratory

Good

Reproductive

Digestive

Psychology

Emotional Balance

Emotional balance

Healing

Physical healing

Emotional healing

Qualities Associated

Healing

Emotional Balance

Nephrite Vs Coral Fracture

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

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Nephrite Vs Coral Luster

A primary knowledge about Nephrite vs Coral 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.