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Prehnite
Prehnite

Willemite
Willemite



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Prehnite
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Willemite

Prehnite Vs Willemite

Astrology

Origin

Australia, Southern and central Africa, France
Canada

Color

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

Streak

Colorless
White

For which Rashi?

Libra
-

Planet

Venus
-

Element of Planets

Earth
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Freya
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.80-2.953.89-4.18
1 7.18
👆🏻

Fracture

Uneven
Conchoidal, Uneven

Cleavage

Distinct on [001]
{0001}, {11 2 0} imperfect

Mohs Hardness

6-6.55.5
2 10
👆🏻

Chemical Composition

Ca2Al2Si3O12(OH)
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

-
-

Dispersion

0.010.17
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.611-1.6731.687-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.021-0.0330.028-0.030
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
Poor

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Optimism

Healing

Physical healing
-

Qualities Associated

Harmony
Transformation

Prehnite Vs Willemite Fracture

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

Prehnite Vs Willemite Luster

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