Black Opal

Dioptase

Black Opal Vs Dioptase

Black Opal

Dioptase

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Astrology

Origin

Australia

Kazakhstan

Color

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

Green, Blue

Streak

Green

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

Soluble

Durability

Specific Gravity

1.97-2.223.25-3.35

1 7.18

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Fracture

Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

None

Perfect in three directions

Mohs Hardness

6-6.55

2 10

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Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

Weak; dark emerald green

Dispersion

0.010.04

0.005 1

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Transparency

Transparent, Translucent

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.370-1.4701.644-1.720

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

-99990.051-0.053

0 0.296

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Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Enhances mental clarity and focus

Aids in mental clarity and focus

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Transformation

Emotional Healing

Healing

Emotional healing

Qualities Associated

Mystery

Emotional Healing

Black Opal Vs Dioptase Fracture

Fracture is an important parameter when you compare Black Opal and Dioptase Physical Properties. It is necessary to understand the significance of these properties, before you compare Black Opal Vs Dioptase 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 Black Opal is Conchoidal. Dioptase fracture is Conchoidal and ConchoidalWalter Schumann.

Compare Blue Gemstones

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Black Opal Vs Brucite

Black Opal Vs Caledonite

Black Opal Vs Dioptase Luster

A primary knowledge about Black Opal vs Dioptase 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. Dioptase, on other hand, exhibits Vitreous luster.