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Common Opal
Common Opal

Shattuckite
Shattuckite



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X
Common Opal
X
Shattuckite

Common Opal Vs Shattuckite

Astrology

Origin

Southern and central Africa
-

Color

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

Streak

-
Blue

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

1.98-2.503.80-4.15
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

None
perfect along [010] and [100]

Mohs Hardness

5.5-6.53.5-4
2 10
👆🏻

Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

-
Silky

Pleochroism

-
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.37-1.521.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.063
0 0.296
👆🏻

Clarity

Translucent
Translucent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
Communication

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Communication

Common Opal Vs Shattuckite Fracture

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

Common Opal Vs Shattuckite Luster

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