Rock Crystal

Alunite

Rock Crystal Vs Alunite

Rock Crystal

Alunite

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Astrology

Origin

Sri Lanka

Australia, Italy

Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Yellow, Red, Reddish, Brown, Colorless, White, gray

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

2.652.6-2.9

1 7.18

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Fracture

ConchoidalWalter Schumann

Conchoidal, Uneven

Cleavage

None

On {0001}, perfect

Mohs Hardness

73.5-4

2 10

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Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

KAl3(SO4)2(OH)6

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Dispersion

0.010.02

0.005 1

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Transparency

TransparentWalter Schumann

Refractive Index

1.544-1.5531.572

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.0090.020

0 0.296

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Clarity

TransparentWalter Schumann

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Clarity

Stability

Healing

Physical healing

Emotional healing

Qualities Associated

Clarity

Stability

Rock Crystal Vs Alunite Fracture

Fracture is an important parameter when you compare Rock Crystal and Alunite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rock Crystal Vs Alunite 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 Rock Crystal is ConchoidalWalter Schumann. Alunite fracture is Conchoidal and Uneven.

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Rock Crystal Vs Alunite Luster

A primary knowledge about Rock Crystal vs Alunite 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. Alunite, on other hand, exhibits Vitreous and Pearly luster.