Common Opal

Cordierite

Common Opal Vs Cordierite

Common Opal

Cordierite

Add ⊕

Astrology

Origin

Southern and central Africa

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Color

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

Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Streak

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

1.98-2.502.57-2.66

1 7.18

👆🏻

Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

None

Fair on {100}, poor on {001} and {010}

Mohs Hardness

5.5-6.57-7.5

2 10

👆🏻

Chemical Composition

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

Mg2Al4Si5O18

Optical Properties

Luster

Greasy, Vitreous

Pleochroism

X = pale yellow

Dispersion

0.010.01

0.005 1

👆🏻

Transparency

Translucent

Refractive Index

1.37-1.52-9999

1 3.25

👆🏻

Optic Character

Crystal System

Orthorhombic

Birefringence

-9999-9999

0 0.296

👆🏻

Clarity

Translucent

Benefits

Physical

Neurological

Supports healthy digestion

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Intuition

Healing

Emotional healing

Qualities Associated

Creativity

Psychic Abilities

Common Opal Vs Cordierite Fracture

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

Compare Blue Gemstones

Common Opal Vs Elbaite

Common Opal Vs Falcons Eye

Common Opal Vs Fluorapatite

Common Opal Vs Cordierite Luster

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