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Alunite
Alunite

Achroite
Achroite



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Alunite
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Achroite

Alunite Vs Achroite

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Astrology

Origin

Australia, Italy
Afghanistan, Sri Lanka

Color

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

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

2.6-2.92.90-3.40
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven, ConchoidalWalter Schumann

Cleavage

On {0001}, perfect
Indiscernible

Mohs Hardness

3.5-47-7.5
2 10
👆🏻

Chemical Composition

KAl3(SO4)2(OH)6
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5721.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.0200.014-0.040
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Stability
Balance

Healing

Emotional healing
Emotional healing

Qualities Associated

Stability
Spiritual Growth

Alunite Vs Achroite Fracture

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

Alunite Vs Achroite Luster

A primary knowledge about Alunite vs Achroite 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.