Opal

Poudretteite

Opal Vs Poudretteite

Opal

Poudretteite

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Astrology

Origin

Ethiopia

Canada, Southern and central Africa

Color

Yellow, White, Red, Brown, Blue

Violet, Colorless, pink

Streak

White

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

Durability

Specific Gravity

1.98-2.252.51-2.53

1 7.18

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Fracture

Conchoidal

Conchoidal, Splintery

Cleavage

None

Mohs Hardness

5-6.55

2 10

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Chemical Composition

SiO₂ · nH₂O

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

None

Colorless

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.37-1.521.511-1.532

1 3.25

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Optic Character

Crystal System

Trigonal

Hexagonal

Birefringence

-99990.021

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Healing

Emotional healing

Qualities Associated

Creativity

Love

Opal Vs Poudretteite Fracture

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

Compare Semi Precious Gemstones

Opal Vs Schorlomite

Opal Vs Simpsonite

Opal Vs Spessartine

Opal Vs Poudretteite Luster

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