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Sillimanite
Sillimanite

Topaz
Topaz



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Sillimanite
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Topaz

Sillimanite Vs Topaz

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Astrology

Origin

USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Brazil, Madagascar, Russia, USA, Mexico, Pakistan, Sri Lanka

Color

Blue, Green, Brownish, Greenish, Colorless, gray
Yellow, Blue, Green, Red, White, Colorless, pink, Brown

Streak

White
White

For which Rashi?

-
Sagittarius

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Ra

Not to wear with

-
-

Powers

-
Healing, Love

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Tough
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.20-3.263.49-3.57
1 7.18
👆🏻

Fracture

Splintery
Subconchoidal, Uneven, Conchoidal

Cleavage

{010} perfect
[001] Perfect

Mohs Hardness

6-7.58
2 10
👆🏻

Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
Al2SiO4(F,OH)2

Optical Properties

Luster

Vitreous, Subadamantine, Silky
Vitreous

Pleochroism

Colourless to pale brown to yellow
Weak

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.653-1.6851.606-1.644
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.020-0.0220.008-0.011
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
Supports digestive health

Psychology

Creativity
Energy

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Energy

Sillimanite Vs Topaz Fracture

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

Sillimanite Vs Topaz Luster

A primary knowledge about Sillimanite vs Topaz 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. Topaz, on other hand, exhibits Vitreous luster.