Pargasite

Sellaite

Pargasite Vs Sellaite

Pargasite

Sellaite

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Astrology

Origin

Southern and central Africa, Vietnam

Brazil

Color

Green, Black, Brown

Colorless, White

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

3.04-3.263.14-3.16

1 7.18

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Fracture

Splintery, Uneven

Conchoidal

Cleavage

{110} perfect

Perfect on {010} and {110}

Mohs Hardness

5-65-5.5

2 10

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Chemical Composition

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

MgF 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.020.03

0.005 1

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Transparency

Transparent

Refractive Index

1.613-1.6631.378-1.390

1 3.25

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Optic Character

Crystal System

monoclinic

tetragonal

Birefringence

0.0200.012

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Healing

Emotional healing

Qualities Associated

Healing

Emotional Healing

Pargasite Vs Sellaite Fracture

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

Compare Green Gemstones

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Pargasite Vs Sellaite Luster

A primary knowledge about Pargasite 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. Pargasite exhibits Vitreous luster. Sellaite, on other hand, exhibits Vitreous luster.