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Alunite
Alunite

Brucite
Brucite



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Alunite
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Brucite

Alunite Vs Brucite

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Astrology

Origin

Australia, Italy
Pakistan

Color

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

Streak

White
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
Sectile

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.6-2.92.39
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Irregular

Cleavage

On {0001}, perfect
Perfect on {0001}

Mohs Hardness

3.5-42.5
2 10
👆🏻

Chemical Composition

KAl3(SO4)2(OH)6
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
TransparentMichael O’Donoghue

Refractive Index

1.5721.56-1.60
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.0200.010-0.020
0 0.296
👆🏻

Clarity

-
TransparentMichael O’Donoghue

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
Supports digestive health

Psychology

Stability
Peace

Healing

Emotional healing
Emotional healing

Qualities Associated

Stability
Peace

Alunite Vs Brucite Fracture

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

Alunite Vs Brucite Luster

A primary knowledge about Alunite vs Brucite 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. Brucite, on other hand, exhibits Vitreous and Pearly luster.