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Willemite
Willemite

Polyhalite
Polyhalite



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Willemite
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Polyhalite

Willemite Vs Polyhalite

Astrology

Origin

Canada
Austria

Color

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

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

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.89-4.182.78
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

{0001}, {11 2 0} imperfect
Perfect on {10 1 }; parting on {010}

Mohs Hardness

5.53.5
2 10
👆🏻

Chemical Composition

Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
K2Ca2Mg(SO4)4·2H2O

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Resinous

Pleochroism

-
-

Dispersion

0.170.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.687-1.7231.546-1.548
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Triclinic

Birefringence

0.028-0.0300.021
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Poor
Good

Reproductive

-
-

Digestive

-
-

Psychology

Optimism
-

Healing

-
Physical healing

Qualities Associated

Transformation
Emotional Healing

Willemite Vs Polyhalite Fracture

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

Willemite Vs Polyhalite Luster

A primary knowledge about Willemite 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. Willemite exhibits Vitreous and Resinous luster. Polyhalite, on other hand, exhibits Vitreous and Resinous luster.