Common Opal

Rosasite

Common Opal Vs Rosasite

Common Opal

Rosasite

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Astrology

Origin

Southern and central Africa

Italy

Color

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

Blue, Green

Streak

Blue, 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

Effervesces in cold

Durability

Specific Gravity

1.98-2.504-4.2

1 7.18

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Fracture

Conchoidal

Splintery

Cleavage

None

Perfect on {100} and {010}

Mohs Hardness

5.5-6.54

2 10

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Chemical Composition

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

CuZn(CO3)(OH)2

Optical Properties

Luster

Silky, Vitreous

Pleochroism

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Dispersion

0.010.03

0.005 1

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Transparency

Translucent

Refractive Index

1.37-1.521.672-1.688

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.139-0.143

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Poor

Reproductive

Digestive

Psychology

Creativity

Emotional Healing

Healing

Emotional healing

Qualities Associated

Creativity

Communication

Common Opal Vs Rosasite Fracture

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

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Common Opal Vs Rosasite Luster

A primary knowledge about Common Opal vs Rosasite 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. Rosasite, on other hand, exhibits Silky and Vitreous luster.