Polyhalite

Forsterite

Polyhalite Vs Forsterite

Polyhalite

Forsterite

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Astrology

Origin

Austria

Southern and central Africa

Color

Colorless, White, Red, gray, pink

Colorless, Green, Yellow, 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

Soluble

Durability

Specific Gravity

2.783.23-3.26

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect on {10 1 }; parting on {010}

Perfect on {010} imperfect on {100}

Mohs Hardness

3.56.5-7

2 10

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Chemical Composition

K2Ca2Mg(SO4)4·2H2O

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Resinous

Vitreous

Pleochroism

colorless.

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Refractive Index

1.546-1.5481.635-1.671

1 3.25

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Optic Character

Crystal System

Triclinic

Orthorhombic

Birefringence

0.0210.033-0.042

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Supports healthy digestion

Digestive

Psychology

Peace

Healing

Physical healing

Qualities Associated

Emotional Healing

Peace

Polyhalite Vs Forsterite Fracture

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

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Polyhalite Vs Forsterite Luster

A primary knowledge about Polyhalite vs Forsterite 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. Polyhalite exhibits Vitreous and Resinous luster. Forsterite, on other hand, exhibits Vitreous luster.