Sillimanite

Bustamite

Sillimanite Vs Bustamite

Sillimanite

Bustamite

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Astrology

Origin

Color

Streak

For which Rashi?

Planet

Element of Planets

Energy

Finger

Ring Metal

Deities

Not to wear with

Powers

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

Benefits

Neurological

Cardiovascular

Respiratory

Reproductive

Digestive

Psychology

Healing

Qualities Associated

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

Blue, Green, Brownish, Greenish, Colorless, gray

White

Tough

3.20-3.26

Splintery

{010} perfect

6-7.5

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Vitreous, Subadamantine, Silky

Colourless to pale brown to yellow

0.02

Transparent, Translucent

1.653-1.685

Orthorhombic

0.020-0.022

Transparent

Good

Creativity

Emotional healing

Creativity

Australia

Reddish, Brown, Red, pink

White

Partly soluble in HCl.

3.32-3.43

Conchoidal

{100} perfect; {110} and {1 1 0} good; {010} poor

5.5-6

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vitreous

Weak

0.02

Transparent, Translucent

1.662-1.707

Triclinic

0.013-0.015

Transparent

Excellent

Love

Emotional healing

Love

Sillimanite Vs Bustamite Fracture

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

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Sillimanite Vs Bustamite Luster

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