Staurolite

Alunite

Staurolite Vs Alunite

Staurolite

Alunite

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Astrology

Origin

Switzerland

Australia, Italy

Color

Brown, Brownish, Yellow, Black, Reddish

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

Streak

White, gray

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

3.7-3.82.6-2.9

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal, Uneven

Cleavage

Distinct on {010}

On {0001}, perfect

Mohs Hardness

7-7.53.5-4

2 10

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Chemical Composition

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

KAl3(SO4)2(OH)6

Optical Properties

Luster

Resinous

Vitreous, Pearly

Pleochroism

X = colorless; Y = pale yellow; Z = golden yellow

Dispersion

0.020.02

0.005 1

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Transparency

Refractive Index

1.736-1.7621.572

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.009-0.0150.020

0 0.296

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Clarity

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Protection

Stability

Healing

Physical healing

Emotional healing

Qualities Associated

Protection

Stability

Staurolite Vs Alunite Fracture

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

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Staurolite Vs Alunite Luster

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