Nephrite

Calcite

Nephrite Vs Calcite

Nephrite

Calcite

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Astrology

Origin

China, Canada

Mexico

Color

Green, Yellow, Brown, White, gray, Black

White, Colorless, pink, Yellow, Brown

Streak

White

For which Rashi?

Cancer

Planet

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Spirituality, Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.90-3.102.67-2.73

1 7.18

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Fracture

Splintery, Granular

Conchoidal

Cleavage

None

Perfect on [10 1 1] three directions with angle of 74° 55

Mohs Hardness

6-6.53

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

Vitreous, Pearly

Pleochroism

None

Dispersion

0.010.15

0.005 1

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Transparency

Translucent

Transparent, Translucent

Refractive Index

1.600-1.6271.486-1.658

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.0270.154-0.174

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Emotional Balance

Emotional Intelligence

Healing

Physical healing

Emotional healing

Qualities Associated

Healing

Amplification

Nephrite Vs Calcite Fracture

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

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Nephrite Vs Calcite Luster

A primary knowledge about Nephrite vs Calcite 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. Calcite, on other hand, exhibits Vitreous and Pearly luster.