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Forsterite
Forsterite

Willemite
Willemite



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Forsterite
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Willemite

Forsterite Vs Willemite

Astrology

Origin

Southern and central Africa
Canada

Color

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

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.23-3.263.89-4.18
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

Perfect on {010} imperfect on {100}
{0001}, {11 2 0} imperfect

Mohs Hardness

6.5-75.5
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

colorless.
-

Dispersion

0.020.17
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.635-1.6711.687-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.033-0.0420.028-0.030
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Poor

Reproductive

Supports healthy digestion
-

Digestive

-
-

Psychology

Peace
Optimism

Healing

Physical healing
-

Qualities Associated

Peace
Transformation

Forsterite Vs Willemite Fracture

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

Forsterite Vs Willemite Luster

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