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Falcons Eye
Falcons Eye

Sillimanite
Sillimanite



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Falcons Eye
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Sillimanite

Falcons Eye Vs Sillimanite

Astrology

Origin

Southern and central Africa
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

Color

Blue, Grey
Blue, Green, Brownish, Greenish, Colorless, gray

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

-
Tough

Solubility

-
-

Durability

-
-

Specific Gravity

2.58-2.643.20-3.26
1 7.18
👆🏻

Fracture

-
Splintery

Cleavage

-
{010} perfect

Mohs Hardness

76-7.5
2 10
👆🏻

Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

-
Vitreous, Subadamantine, Silky

Pleochroism

-
Colourless to pale brown to yellow

Dispersion

0.050.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.534-1.5401.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.020-0.022
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

Aids in digestion and soothes the stomach
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Protection
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Protection
Creativity

Falcons Eye Vs Sillimanite Fracture

Fracture is an important parameter when you compare Falcons Eye and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Falcons Eye Vs Sillimanite 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. Sillimanite fracture is Splintery.

Falcons Eye Vs Sillimanite Luster

A primary knowledge about Falcons Eye vs Sillimanite 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. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.