×

Eudialyte
Eudialyte

Sillimanite
Sillimanite



ADD
Compare
X
Eudialyte
X
Sillimanite

Eudialyte Vs Sillimanite

Astrology

Origin

Canada, Russia, Brazil
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

Color

Brown, Red, Yellow, Violet
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

Brittle
Tough

Solubility

H₂SO₄
-

Durability

-
-

Specific Gravity

2.74-3.003.20-3.26
1 7.18
👆🏻

Fracture

Uneven
Splintery

Cleavage

Distinct on {0001} imperfect on {11 2 0}
{010} perfect

Mohs Hardness

5-5.56-7.5
2 10
👆🏻

Chemical Composition

Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous
Vitreous, Subadamantine, Silky

Pleochroism

Weak: O= colorless
Colourless to pale brown to yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.591-1.6331.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.003-0.0100.020-0.022
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Transformation
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Self-Love
Creativity

Eudialyte Vs Sillimanite Fracture

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

Eudialyte Vs Sillimanite Luster

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