Alunite

Diaspore

Alunite Vs Diaspore

Alunite

Diaspore

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Astrology

Origin

Australia, Italy

Turkey

Color

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

Colorless, White, Yellow, Greenish, gray, Brown

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

Very brittle

Solubility

Soluble

insoluble

Durability

Specific Gravity

2.6-2.93.30-3.40

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

On {0001}, perfect

{010} perfect, {110} distinct, {100} in traces

Mohs Hardness

3.5-46.5-7

2 10

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Chemical Composition

KAl3(SO4)2(OH)6

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Vitreous, Pearly

Pearly

Pleochroism

Strong

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Refractive Index

1.5721.702-1.750

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.0200.048

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Stability

Transformation

Healing

Emotional healing

Qualities Associated

Stability

Change

Alunite Vs Diaspore Fracture

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

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Alunite Vs Diaspore Luster

A primary knowledge about Alunite vs Diaspore 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. Diaspore, on other hand, exhibits Pearly luster.