Sard

Alunite

Sard Vs Alunite

Sard

Alunite

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Astrology

Origin

Southern and central Africa

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

2.58-2.632.6-2.9

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven

Cleavage

None

On {0001}, perfect

Mohs Hardness

6.5-73.5-4

2 10

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Chemical Composition

SiO 2Ulrich Henn and Claudio C.

KAl3(SO4)2(OH)6

Optical Properties

Luster

Waxy

Vitreous, Pearly

Pleochroism

Dispersion

0.010.02

0.005 1

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Transparency

Translucent

Refractive Index

1.535-1.5391.572

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.008-0.0100.020

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Strength

Stability

Healing

Emotional healing

Qualities Associated

Protection

Stability

Sard Vs Alunite Fracture

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

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Sard Vs Alunite Luster

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