Alunite

Gahnite

Alunite Vs Gahnite

Alunite

Gahnite

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Astrology

Origin

Australia, Italy

Australia

Color

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

Blue, Green, Greenish, Black

Streak

White

Grey, gray

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

2.6-2.94.00-4.62

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

On {0001}, perfect

Indistinct parting on [111]

Mohs Hardness

3.5-47.5-8

2 10

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Chemical Composition

KAl3(SO4)2(OH)6

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Dispersion

0.020.03

0.005 1

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Transparency

Refractive Index

1.5721.790-1.818

1 3.25

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Optic Character

Crystal System

Trigonal

cubic

Birefringence

0.020-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Aids in digestion and soothes the stomach

Reproductive

Digestive

Psychology

Stability

Protection

Healing

Emotional healing

Qualities Associated

Stability

Harmony

Alunite Vs Gahnite Fracture

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

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Alunite Vs Gahnite Luster

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