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Opal
Opal

Pezzottaite
Pezzottaite



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Opal
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Pezzottaite

Opal Vs Pezzottaite

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Astrology

Origin

Ethiopia
Afghanistan

Color

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

Streak

White
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

1.98-2.252.90-3.14
1 7.18
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Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

None
Imperfect; basal

Mohs Hardness

5-6.57.5-8
2 10
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Chemical Composition

SiO2 · nH2O
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

None
Moderate dichroic

Dispersion

0.010.02
0.005 1
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Transparency

Transparent, Translucent, Transparent to translucent
Transparent

Refractive Index

1.37-1.521.598-1.620
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

-99990.008-0.011
0 0.296
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Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
-

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
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Opal Vs Pezzottaite Fracture

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

Opal Vs Pezzottaite Luster

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