Sellaite

Powellite

Sellaite Vs Powellite

Sellaite

Powellite

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Astrology

Origin

Brazil

India

Color

Colorless, White

Yellow, Greenish, Blue, Brown, Green, gray

Streak

White

Yellow

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

3.14-3.164.23

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect on {010} and {110}

{111} Distinct

Mohs Hardness

5-5.53.5-4

2 10

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Chemical Composition

MgF 2Ulrich Henn and Claudio C.

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Greasy, Subadamantine

Pleochroism

In deeply colored specimens: blue greenAnthony et al

Dispersion

0.030.03

0.005 1

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Transparency

Transparent

Refractive Index

1.378-1.3901.974-1.984

1 3.25

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Optic Character

Crystal System

tetragonal

Birefringence

0.012-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Healing

Emotional healing

Qualities Associated

Emotional Healing

Vitality

Sellaite Vs Powellite Fracture

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

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Sellaite Vs Powellite Luster

A primary knowledge about Sellaite vs Powellite 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. Sellaite exhibits Vitreous luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.