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Willemite
Willemite

Rock Crystal
Rock Crystal



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Willemite
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Rock Crystal

Willemite Vs Rock Crystal

Astrology

Origin

Canada
Sri Lanka

Color

Yellow, Brown, Red, White, Green, Reddish, Black
White, Colorless, Blue, Red, Green, Yellow, Violet

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.89-4.182.65
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
ConchoidalWalter Schumann

Cleavage

{0001}, {11 2 0} imperfect
None

Mohs Hardness

5.57
2 10
👆🏻

Chemical Composition

Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Walter Schumann , Gemstones of the world (2001)

Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

-
-

Dispersion

0.170.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentWalter Schumann

Refractive Index

1.687-1.7231.544-1.553
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.028-0.0300.009
0 0.296
👆🏻

Clarity

Transparent
TransparentWalter Schumann

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Poor
Good

Reproductive

-
-

Digestive

-
-

Psychology

Optimism
Clarity

Healing

-
Physical healing

Qualities Associated

Transformation
Clarity

Willemite Vs Rock Crystal Fracture

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

Willemite Vs Rock Crystal Luster

A primary knowledge about Willemite vs Rock Crystal 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.