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Epidote
Epidote

Sillimanite
Sillimanite



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Epidote
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Sillimanite

Epidote Vs Sillimanite

Astrology

Origin

Austria
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

Color

Brown, Green, Brownish, Black, Yellow, gray
Blue, Green, Brownish, Greenish, Colorless, gray

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

-
Tough

Solubility

-
-

Durability

-
-

Specific Gravity

3.25-3.503.20-3.26
1 7.18
👆🏻

Fracture

Conchoidal, Fibrous
Splintery

Cleavage

{001} perfect and {100} imperfect
{010} perfect

Mohs Hardness

6-76-7.5
2 10
👆🏻

Chemical Composition

CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Subadamantine, Silky

Pleochroism

Strong
Colourless to pale brown to yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.729-1.7681.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.019-0.0460.020-0.022
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Calms digestive issues
-

Respiratory

Good
Good

Reproductive

Supports healthy digestion
-

Digestive

-
-

Psychology

Abundance
Creativity

Healing

Physical healing
Emotional healing

Qualities Associated

Manifestation
Creativity

Epidote Vs Sillimanite Fracture

Fracture is an important parameter when you compare Epidote and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Epidote 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. Fracture observed in Epidote is Conchoidal and Fibrous. Sillimanite fracture is Splintery.

Epidote Vs Sillimanite Luster

A primary knowledge about Epidote 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. Epidote exhibits Vitreous and Resinous luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.