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Opal
Opal

Pargasite
Pargasite



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Opal
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Pargasite

Opal Vs Pargasite

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Astrology

Origin

Ethiopia
Southern and central Africa, Vietnam

Color

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

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

1.98-2.253.04-3.26
1 7.18
👆🏻

Fracture

Conchoidal
Splintery, Uneven

Cleavage

None
{110} perfect

Mohs Hardness

5-6.55-6
2 10
👆🏻

Chemical Composition

SiO2 · nH2O
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

None
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
Transparent

Refractive Index

1.37-1.521.613-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.020
0 0.296
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Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

-
Excellent

Reproductive

-
Supports reproductive health

Digestive

-
-

Psychology

Creativity
-

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Healing

Opal Vs Pargasite Fracture

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

Opal Vs Pargasite Luster

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