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Alunite
Alunite

Hercynite
Hercynite



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Alunite
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Hercynite

Alunite Vs Hercynite

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Astrology

Origin

Australia, Italy
-

Color

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

Streak

White
Green

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

2.6-2.94.39
1 7.18
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Fracture

Conchoidal, Uneven
Uneven

Cleavage

On {0001}, perfect
{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

3.5-47.5-8
2 10
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Chemical Composition

KAl3(SO4)2(OH)6
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
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Transparency

-
Translucent

Refractive Index

1.5721.80-1.83
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

0.020-9999
0 0.296
👆🏻

Clarity

-
Translucent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Stability
-

Healing

Emotional healing
-

Qualities Associated

Stability
Balance

Alunite Vs Hercynite Fracture

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

Alunite Vs Hercynite Luster

A primary knowledge about Alunite vs Hercynite 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. Hercynite, on other hand, exhibits Vitreous luster.