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Periclase
Periclase

Opal
Opal



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Periclase
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Opal

Periclase Vs Opal

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Astrology

Origin

Austria, Spain, Russia, Canada, Australia
Ethiopia

Color

Colorless, Brownish, Yellow, Green, gray, White
Yellow, White, Red, Brown, Blue

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

Brittle
BrittleWalter Schumann

Solubility

-
hot salt water

Durability

-
-

Specific Gravity

3.7-3.91.98-2.25
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

{001} perfect; {111} imperfect, may exhibit parting on , {011}
None

Mohs Hardness

5.5-65-6.5
2 10
👆🏻

Chemical Composition

MgOMichael O’Donoghue , Gems, Sixth Edition (2006)
SiO2 · nH2O

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
None

Dispersion

0.010.01
0.005 1
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Transparency

TransparentWalter Schumann
Transparent, Translucent, Transparent to translucent

Refractive Index

1.735-1.7381.37-1.52
1 3.25
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Optic Character

-
-

Crystal System

Isometric
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentWalter Schumann
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

-
Creativity

Healing

-
Emotional healing

Qualities Associated

-
Creativity

Periclase Vs Opal Fracture

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

Periclase Vs Opal Luster

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