Atacamite

Polyhalite

Atacamite Vs Polyhalite

Atacamite

Polyhalite

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Astrology

Origin

Austria

Color

Green, Yellow, Black

Colorless, White, Red, gray, pink

Streak

Green

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

3.745-3.7762.78

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect on {010}, fair on {101}

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

Mohs Hardness

3-3.53.5

2 10

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Chemical Composition

Cu2Cl(OH)3

K2Ca2Mg(SO4)4·2H2O

Optical Properties

Luster

Adamantine, Vitreous

Vitreous, Resinous

Pleochroism

X = pale green; Y = yellow-green; Z = grass-green

Dispersion

0.030.02

0.005 1

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Transparency

Refractive Index

1.8311.546-1.548

1 3.25

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Optic Character

Crystal System

Orthorhombic

Triclinic

Birefringence

0.0490.021

0 0.296

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Clarity

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Transformation

Healing

Physical healing

Qualities Associated

Healing

Emotional Healing

Atacamite Vs Polyhalite Fracture

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

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Atacamite Vs Polyhalite Luster

A primary knowledge about Atacamite 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. Atacamite exhibits Adamantine and Vitreous luster. Polyhalite, on other hand, exhibits Vitreous and Resinous luster.