Common Opal

Cacoxenite

Common Opal Vs Cacoxenite

Common Opal

Cacoxenite

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Astrology

Origin

Southern and central Africa

Color

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

Yellow, Brownish, Reddish, Green, Red

Streak

White, Yellow

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

Solubility

Durability

Specific Gravity

1.98-2.502.2-2.6

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

None

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)

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Optical Properties

Luster

Silky

Pleochroism

visible: O = Pale yellow E = Canary yellow to yellow orange

Dispersion

0.010.03

0.005 1

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Transparency

Translucent

Refractive Index

1.37-1.521.575-1.585

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

-9999-9999

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Creativity

Spirituality

Healing

Emotional healing

Qualities Associated

Creativity

Spiritual Evolution

Common Opal Vs Cacoxenite Fracture

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

Compare Blue Gemstones

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Common Opal Vs Fluorapatite

Common Opal Vs Cacoxenite Luster

A primary knowledge about Common Opal vs Cacoxenite 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. Cacoxenite, on other hand, exhibits Silky luster.