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Sard
Sard

Opal
Opal



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Sard
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Opal

Sard Vs Opal

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Astrology

Origin

Southern and central Africa
Ethiopia

Color

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

2.58-2.631.98-2.25
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

None
None

Mohs Hardness

6.5-75-6.5
2 10
👆🏻

Chemical Composition

SiO 2Ulrich Henn and Claudio C.
SiO2 · nH2O

Optical Properties

Luster

Waxy
Vitreous, Pearly

Pleochroism

-
None

Dispersion

0.010.01
0.005 1
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Transparency

Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.535-1.5391.37-1.52
1 3.25
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Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.008-0.010-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Strength
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Protection
Creativity

Sard Vs Opal Fracture

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

Sard Vs Opal Luster

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