Bytownite

Polyhalite

Bytownite Vs Polyhalite

Bytownite

Polyhalite

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Astrology

Origin

Canada, Southern and central Africa, Australia

Austria

Color

Colorless, White, gray

Colorless, White, Red, gray, pink

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

Soluble

Durability

Specific Gravity

2.72-2.752.78

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

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

Perfect on {10 1 }; parting on {010}

Mohs Hardness

6-6.53.5

2 10

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Chemical Composition

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

K2Ca2Mg(SO4)4·2H2O

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Resinous

Pleochroism

colorless.

Dispersion

0.010.02

0.005 1

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Transparency

Transparent

Refractive Index

1.561-1.5831.546-1.548

1 3.25

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Optic Character

Crystal System

Triclinic

Birefringence

0.010-0.0110.021

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Poor

Good

Reproductive

Digestive

Psychology

Clarity

Healing

Emotional healing

Physical healing

Qualities Associated

Clarity

Emotional Healing

Bytownite Vs Polyhalite Fracture

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

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Bytownite Vs Polyhalite Luster

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