Nephrite

Bytownite

Nephrite Vs Bytownite

Nephrite

Bytownite

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Astrology

Origin

China, Canada

Canada, Southern and central Africa, Australia

Color

Green, Yellow, Brown, White, gray, Black

Colorless, White, 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

2.90-3.102.72-2.75

1 7.18

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Fracture

Splintery, Granular

Uneven

Cleavage

None

Perfect on [001], good on [010], imperfect on [110]

Mohs Hardness

6-6.56-6.5

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

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Greasy

Vitreous, Pearly

Pleochroism

None

colorless.

Dispersion

0.010.01

0.005 1

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Transparency

Translucent

Transparent

Refractive Index

1.600-1.6271.561-1.583

1 3.25

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Optic Character

Crystal System

monoclinic

Triclinic

Birefringence

0.0270.010-0.011

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Poor

Reproductive

Digestive

Psychology

Emotional Balance

Clarity

Healing

Physical healing

Emotional healing

Qualities Associated

Healing

Clarity

Nephrite Vs Bytownite Fracture

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

Compare Green Gemstones

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Nephrite Vs Bytownite Luster

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