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Common Opal
Common Opal

Iolite
Iolite



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Common Opal
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Iolite

Common Opal Vs Iolite

Astrology

Origin

Southern and central Africa
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

Color

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

Streak

-
-

For which Rashi?

-
Libra, Sagittarius, Taurus

Planet

-
Jupiter

Element of Planets

-
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.502.6-2.7
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

None
3,1

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

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.37-1.521.52-1.56
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent to translucent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Excellent

Reproductive

-
-

Digestive

-
Supports digestive health

Psychology

Creativity
Intuition

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Intuition

Common Opal Vs Iolite Fracture

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

Common Opal Vs Iolite Luster

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