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Forsterite
Forsterite

Fayalite
Fayalite



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Forsterite
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Fayalite

Forsterite Vs Fayalite

Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

Colorless, Green, Yellow, White
Yellow, Brown, 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

3.23-3.264.392
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Perfect on {010} imperfect on {100}
{010} moderate, {100} imperfect

Mohs Hardness

6.5-76.5-7
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

colorless.
Faint

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
TransparentAnthony et al

Refractive Index

1.635-1.6711.827-1.879
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.033-0.0420.042-0.051
0 0.296
👆🏻

Clarity

Transparent
TransparentAnthony et al

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

Supports healthy digestion
-

Digestive

-
-

Psychology

Peace
Creativity

Healing

Physical healing
Physical healing

Qualities Associated

Peace
Creativity

Forsterite Vs Fayalite Fracture

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

Forsterite Vs Fayalite Luster

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