Franklinite

Bytownite

Franklinite Vs Bytownite

Franklinite

Bytownite

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Astrology

Origin

USA

Canada, Southern and central Africa, Australia

Color

Brown, Red, Black, Brownish

Colorless, White, gray

Streak

Reddish, Brown

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

5.05-5.222.72-2.75

1 7.18

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Fracture

Uneven

Cleavage

None

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

Mohs Hardness

5.5-66-6.5

2 10

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Chemical Composition

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

colorless.

Dispersion

0.190.01

0.005 1

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Transparency

Translucent

Transparent

Refractive Index

-99991.561-1.583

1 3.25

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Optic Character

Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Triclinic

Birefringence

-99990.010-0.011

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Poor

Reproductive

Digestive

Psychology

Creativity

Clarity

Healing

Emotional healing

Qualities Associated

Grounding

Clarity

Franklinite Vs Bytownite Fracture

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

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Franklinite Vs Bytownite Luster

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