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Vesuvianite Idocrase
Vesuvianite Idocrase

Sillimanite
Sillimanite



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Vesuvianite Idocrase
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Sillimanite

Vesuvianite Idocrase Vs Sillimanite

Astrology

Origin

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

Color

Green
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

3.25-3.503.20-3.26
1 7.18
👆🏻

Fracture

Uneven
Splintery

Cleavage

Distinct
{010} perfect

Mohs Hardness

-99996-7.5
2 10
👆🏻

Chemical Composition

Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

-
Vitreous, Subadamantine, Silky

Pleochroism

-
Colourless to pale brown to yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.700-1.7251.653-1.685
1 3.25
👆🏻

Optic Character

Uniaxial/-
-

Crystal System

-
Orthorhombic

Birefringence

0.002-0.0120.020-0.022
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Healing
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Healing
Creativity

Vesuvianite Idocrase Vs Sillimanite Fracture

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

Vesuvianite Idocrase Vs Sillimanite Luster

A primary knowledge about Vesuvianite Idocrase 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.