Phlogopite

Bytownite

Phlogopite Vs Bytownite

Phlogopite

Bytownite

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Astrology

Origin

Italy

Canada, Southern and central Africa, Australia

Color

Brownish, Red, Brown, Green, White, gray, Yellow, Reddish

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

Tough

Brittle

Solubility

Durability

Specific Gravity

2.78-2.852.72-2.75

1 7.18

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Fracture

Uneven

Cleavage

Perfect basal (001)

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

Mohs Hardness

2-2.56-6.5

2 10

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Chemical Composition

KMg3(Si3Al)O10(F,OH)2

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

Optical Properties

Luster

Pearly

Vitreous, Pearly

Pleochroism

colorless.

Dispersion

0.040.01

0.005 1

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Transparency

Transparent

Refractive Index

1.530-1.5731.561-1.583

1 3.25

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Optic Character

Crystal System

monoclinic

Triclinic

Birefringence

0.0280-0.04500.010-0.011

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Poor

Reproductive

Digestive

Psychology

Self-discovery

Clarity

Healing

Emotional healing

Qualities Associated

Awareness

Clarity

Phlogopite Vs Bytownite Fracture

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

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Phlogopite Vs Bytownite Luster

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