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Moldavite
Moldavite

Sillimanite
Sillimanite



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Moldavite
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Sillimanite

Moldavite Vs Sillimanite

Astrology

Origin

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

Color

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

Streak

-
White

For which Rashi?

Aquarius
-

Planet

Uranus
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Persephone
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Tough

Solubility

-
-

Durability

-
-

Specific Gravity

2.32-2.383.20-3.26
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Splintery

Cleavage

None
{010} perfect

Mohs Hardness

5.56-7.5
2 10
👆🏻

Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous
Vitreous, Subadamantine, Silky

Pleochroism

Absent
Colourless to pale brown to yellow

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.48-1.541.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.020-0.022
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Transformation
Creativity

Healing

Spiritual healing
Emotional healing

Qualities Associated

Transformation
Creativity

Moldavite Vs Sillimanite Fracture

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

Moldavite Vs Sillimanite Luster

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