Onyx

Sillimanite

Onyx Vs Sillimanite

Onyx

Sillimanite

Add ⊕

1 Astrology

1.1 Origin

Not Available

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

1.2 Color

White

Blue, Green, Brownish, Greenish, Colorless, gray

1.3 Streak

Not Available

White

1.4 For which Rashi?

Capricorn

Not Available

1.5 Planet

Saturn

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Not Available

1.9 Deities

Mars

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Capricorn

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Tough

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.55-2.703.20-3.26

1 7.18

2.5 Fracture

Not Available

Splintery

2.6 Cleavage

Indiscernible

{010} perfect

2.7 Mohs Hardness

6.5-76-7.5

2 10

2.8 Chemical Composition

SiO₂

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

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Subadamantine, Silky

3.2 Pleochroism

Not Available

Colourless to pale brown to yellow

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent, Opaque, Translucent to opaque

Transparent, Translucent

3.5 Refractive Index

1.530-1.5431.653-1.685

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

Not Available0.020-0.022

0 0.296

3.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Onyx Vs Sillimanite Fracture

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

Compare Gems for Capricorn » More

Onyx Vs Hawks Eye

Onyx Vs Quartz Smoky

Onyx Vs Crystal Quartz

» More

More Compare Gems for Capricorn

Onyx Vs Sillimanite Luster

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