Opal

Dioptase

Opal Vs Dioptase

Opal

Dioptase

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Astrology

Origin

Ethiopia

Kazakhstan

Color

Yellow, White, Red, Brown, Blue

Green, Blue

Streak

White

Green

For which Rashi?

Cancer, Libra, Scorpio

Planet

Mercury

Element of Planets

Earth, Air, Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Cupid

Not to wear with

Powers

Astral Projection, Psychicism

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

BrittleWalter Schumann

Brittle

Solubility

hot salt water

Soluble

Durability

Specific Gravity

1.98-2.253.25-3.35

1 7.18

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Fracture

Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

None

Perfect in three directions

Mohs Hardness

5-6.55

2 10

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Chemical Composition

SiO₂ · nH₂O

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

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

None

Weak; dark emerald green

Dispersion

0.010.04

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.37-1.521.644-1.720

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

Creativity

Emotional Healing

Healing

Emotional healing

Qualities Associated

Creativity

Emotional Healing

Opal Vs Dioptase Fracture

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

Compare Semi Precious Gemstones

Opal Vs Schorlomite

Opal Vs Simpsonite

Opal Vs Spessartine

Opal Vs Dioptase Luster

A primary knowledge about 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. Opal exhibits Vitreous and Pearly luster. Dioptase, on other hand, exhibits Vitreous luster.