Onyx

Common Opal

Onyx Vs Common Opal

Onyx

Common Opal

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1 Astrology

1.1 Origin

Not Available

Southern and central Africa

1.2 Color

White

White, Colorless, Blue, Red, Green, Yellow, Violet

1.3 Streak

Not Available

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.55-2.701.98-2.50

1 7.18

2.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001)

2.6 Cleavage

Indiscernible

Not Available

2.7 Mohs Hardness

6.5-75.5-6.5

2 10

2.8 Chemical Composition

SiO₂

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Not Available

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Translucent, Opaque, Translucent to opaque

Translucent

3.5 Refractive Index

1.530-1.5431.37-1.52

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Not Available

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Translucent

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 Common Opal Fracture

Fracture is an important parameter when you compare Onyx and Common Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Onyx Vs Common Opal 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. Common Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001).

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Onyx Vs Common Opal Luster

A primary knowledge about Onyx vs Common Opal 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.