Star Sapphire

Polyhalite

Star Sapphire Vs Polyhalite

Star Sapphire

Polyhalite

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Astrology

Origin

Southern and central Africa

Austria

Color

Yellow, Green, Blue, Violet

Colorless, White, Red, gray, pink

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

3.90-4.052.78

1 7.18

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Fracture

Conchoidal

Cleavage

None

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

Mohs Hardness

-99993.5

2 10

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Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

K2Ca2Mg(SO4)4·2H2O

Optical Properties

Luster

Vitreous, Resinous

Pleochroism

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.758-1.7801.546-1.548

1 3.25

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Optic Character

Crystal System

Triclinic

Birefringence

0.007-0.0100.021

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Wisdom

Healing

Emotional healing

Physical healing

Qualities Associated

Wisdom

Emotional Healing

Star Sapphire Vs Polyhalite Fracture

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

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Star Sapphire Vs Polyhalite Luster

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