Jet

Sellaite

Jet Vs Sellaite

Jet

Sellaite

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Astrology

Origin

Spain

Brazil

Color

Black

Colorless, White

Streak

White

For which Rashi?

Capricorn

Planet

Saturn

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Cybele

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

1.19-1.353.14-3.16

1 7.18

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Fracture

ConchoidalWalter Schumann

Conchoidal

Cleavage

None

Perfect on {010} and {110}

Mohs Hardness

2.5-45-5.5

2 10

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Chemical Composition

MgF 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Waxy

Vitreous

Pleochroism

Dispersion

0.010.03

0.005 1

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Transparency

Transparent

Refractive Index

1.640-1.6801.378-1.390

1 3.25

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Optic Character

Crystal System

tetragonal

Birefringence

-99990.012

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Reproductive

Digestive

Psychology

Protection

Healing

Emotional healing

Qualities Associated

Protection

Emotional Healing

Jet Vs Sellaite Fracture

Fracture is an important parameter when you compare Jet and Sellaite Physical Properties. It is necessary to understand the significance of these properties, before you compare Jet Vs Sellaite 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 Jet is ConchoidalWalter Schumann. Sellaite fracture is Conchoidal.

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Jet Vs Sellaite Luster

A primary knowledge about Jet vs Sellaite 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. Jet exhibits Waxy luster. Sellaite, on other hand, exhibits Vitreous luster.