Common Opal

Nickeline

Common Opal Vs Nickeline

Common Opal

Nickeline

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Astrology

Origin

Southern and central Africa

Australia

Color

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

Red, White, gray, Black

Streak

Brownish, Black

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

Brittle

Solubility

Durability

Specific Gravity

1.98-2.50-9999

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven

Cleavage

None

{1010} Imperfect, {0001} Imperfect

Mohs Hardness

5.5-6.55-5.5

2 10

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Chemical Composition

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

NiAs

Optical Properties

Luster

Pleochroism

Strong (reflected light)

Dispersion

0.010.04

0.005 1

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Transparency

Translucent

Refractive Index

1.37-1.52-9999

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

-9999-9999

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Poor

Reproductive

Digestive

Psychology

Creativity

Healing

Emotional healing

Qualities Associated

Creativity

Common Opal Vs Nickeline Fracture

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

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Common Opal Vs Nickeline Luster

A primary knowledge about Common Opal vs Nickeline 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.