Mellite

Alunite

Mellite Vs Alunite

Mellite

Alunite

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Astrology

Origin

Southern and central Africa

Australia, Italy

Color

Brown, Brownish, White, Colorless, Yellow

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

1.58-1.602.6-2.9

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven

Cleavage

{011} Imperfect

On {0001}, perfect

Mohs Hardness

23.5-4

2 10

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Chemical Composition

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

KAl3(SO4)2(OH)6

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Weak: yellowish brown yellowAnthony et al

Dispersion

0.010.02

0.005 1

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Transparency

Refractive Index

1.509-1.5411.572

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.0300.020

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Happiness

Stability

Healing

Emotional healing

Qualities Associated

Abundance

Stability

Mellite Vs Alunite Fracture

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

Compare Brown Gemstones

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Mellite Vs Alunite Luster

A primary knowledge about Mellite 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. Mellite exhibits Vitreous luster. Alunite, on other hand, exhibits Vitreous and Pearly luster.