Sellaite

Willemite

Sellaite Vs Willemite

Sellaite

Willemite

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Astrology

Origin

Brazil

Canada

Color

Colorless, White

Yellow, Brown, Red, White, Green, Reddish, Black

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

Durability

Specific Gravity

3.14-3.163.89-4.18

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven

Cleavage

Perfect on {010} and {110}

{0001}, {11 2 0} imperfect

Mohs Hardness

5-5.55.5

2 10

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Chemical Composition

MgF 2Ulrich Henn and Claudio C.

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Vitreous, Resinous

Pleochroism

Dispersion

0.030.17

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

1.378-1.3901.687-1.723

1 3.25

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Optic Character

Crystal System

tetragonal

Trigonal

Birefringence

0.0120.028-0.030

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Poor

Reproductive

Digestive

Psychology

Optimism

Healing

Qualities Associated

Emotional Healing

Transformation

Sellaite Vs Willemite Fracture

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

Compare White Gemstones

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Sellaite Vs Willemite Luster

A primary knowledge about Sellaite vs Willemite 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. Willemite, on other hand, exhibits Vitreous and Resinous luster.