Covellite

Nephrite

Covellite Vs Nephrite

Covellite

Nephrite

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Astrology

Origin

Mexico

China, Canada

Color

Blue, Black

Green, Yellow, Brown, White, gray, Black

Streak

Grey, Black, gray

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

Flexible

Solubility

Durability

Specific Gravity

4.6-4.762.90-3.10

1 7.18

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Fracture

Splintery, Granular

Cleavage

Perfect on {0001}

None

Mohs Hardness

-99996-6.5

2 10

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Chemical Composition

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Optical Properties

Luster

Resinous

Vitreous, Greasy

Pleochroism

Marked

None

Dispersion

0.080.01

0.005 1

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Transparency

OpaqueAnthony et al

Translucent

Refractive Index

1.45-2.621.600-1.627

1 3.25

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Optic Character

Crystal System

Hexagonal

monoclinic

Birefringence

-99990.027

0 0.296

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Clarity

OpaqueAnthony et al

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Aids in mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Transformation

Emotional Balance

Healing

Emotional healing

Physical healing

Qualities Associated

Manifestation

Healing

Covellite Vs Nephrite Fracture

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

Compare Blue Gemstones

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Covellite Vs Nephrite Luster

A primary knowledge about Covellite vs Nephrite 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. Covellite exhibits Resinous luster. Nephrite, on other hand, exhibits Vitreous and Greasy luster.