Brucite

Polyhalite

Brucite Vs Polyhalite

Brucite

Polyhalite

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Astrology

Origin

Pakistan

Austria

Color

White, Green, Blue, Yellow, Brownish, Red, gray

Colorless, White, Red, gray, pink

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

Sectile

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.392.78

1 7.18

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Fracture

Irregular

Conchoidal

Cleavage

Perfect on {0001}

Perfect on {10 1 }; parting on {010}

Mohs Hardness

2.53.5

2 10

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Chemical Composition

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

K2Ca2Mg(SO4)4·2H2O

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Resinous

Pleochroism

Dispersion

0.030.02

0.005 1

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Transparency

TransparentMichael OâDonoghue

Refractive Index

1.56-1.601.546-1.548

1 3.25

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Optic Character

Crystal System

Trigonal

Triclinic

Birefringence

0.010-0.0200.021

0 0.296

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Clarity

TransparentMichael OâDonoghue

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Peace

Healing

Emotional healing

Physical healing

Qualities Associated

Peace

Emotional Healing

Brucite Vs Polyhalite Fracture

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

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Brucite Vs Polyhalite Luster

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