Common Opal

Cavansite

Common Opal Vs Cavansite

Common Opal

Cavansite

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Astrology

Origin

Southern and central Africa

India

Color

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

Blue, Greenish

Streak

Blue, White

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

1.98-2.502.25-2.33

1 7.18

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Fracture

Conchoidal

Cleavage

None

Good on {010}

Mohs Hardness

5.5-6.53-4

2 10

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Chemical Composition

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

Ca(VO)Si4O10•4(H2O)

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Visible: X=Z= colorless Y= blue

Dispersion

0.010.04

0.005 1

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Transparency

Translucent

Refractive Index

1.37-1.521.542

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-99990.009

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Communication

Healing

Emotional healing

Qualities Associated

Creativity

Communication

Common Opal Vs Cavansite Fracture

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

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Common Opal Vs Cavansite Luster

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