Alunite

Sphalerite

Alunite Vs Sphalerite

Alunite

Sphalerite

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Astrology

Origin

Australia, Italy

Mexico, USA, Spain

Color

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

Green, Brown, Yellow, Red, Black

Streak

White

Brownish, 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

2.6-2.93.95-4.10

1 7.18

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Fracture

Conchoidal, Uneven

Uneven

Cleavage

On {0001}, perfect

{110} Perfect, {110} Perfect, {110} Perfect

Mohs Hardness

3.5-43.5-4

2 10

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Chemical Composition

KAl3(SO4)2(OH)6

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly

Adamantine

Pleochroism

Dispersion

0.020.16

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.5722.368-2.371

1 3.25

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Optic Character

Crystal System

Trigonal

Isometric

Birefringence

0.020-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Stability

Healing

Emotional healing

Physical healing

Qualities Associated

Stability

Alunite Vs Sphalerite Fracture

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

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Alunite Vs Sphalerite Luster

A primary knowledge about Alunite vs Sphalerite 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. Sphalerite, on other hand, exhibits Adamantine luster.