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Precious Opal
Precious Opal

Opal
Opal



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Precious Opal
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Opal

Precious Opal Vs Opal

Astrology

Origin

Australia
Ethiopia

Color

Yellow, Green, Blue
Yellow, White, Red, Brown, Blue

Streak

-
White

For which Rashi?

-
Cancer, Libra, Scorpio

Planet

-
Mercury

Element of Planets

-
Earth, Air, Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Cupid

Not to wear with

-
-

Powers

-
Astral Projection, Psychicism

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
BrittleWalter Schumann

Solubility

-
hot salt water

Durability

-
-

Specific Gravity

1.98-2.251.98-2.25
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

None
None

Mohs Hardness

5-6.55-6.5
2 10
👆🏻

Chemical Composition

SiO 2 · nH 2OGemdat.org , Management Team (2012)
SiO2 · nH2O

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.370-1.4701.37-1.52
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Creativity

Precious Opal Vs Opal Fracture

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

Precious Opal Vs Opal Luster

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