Erythrite

Alunite

Erythrite Vs Alunite

Erythrite

Alunite

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Astrology

Origin

Czech, Mexico, Australia

Australia, Italy

Color

Red, Colorless, Violet, pink

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

Streak

Red

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

Sectile

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.062.6-2.9

1 7.18

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Fracture

Sectile

Conchoidal, Uneven

Cleavage

Perfect on {010}; poor on {100} and { 1 02}.

On {0001}, perfect

Mohs Hardness

-99993.5-4

2 10

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Chemical Composition

Co3(AsO4)2•8(H2O)

KAl3(SO4)2(OH)6

Optical Properties

Luster

Subadamantine, Pearly

Vitreous, Pearly

Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Dispersion

0.030.02

0.005 1

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Transparency

Refractive Index

1.626-1.6291.572

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

-99990.020

0 0.296

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Clarity

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Compassion

Stability

Healing

Emotional healing

Qualities Associated

Vitality

Stability

Erythrite Vs Alunite Fracture

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

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Erythrite Vs Alunite Luster

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