Precious Opal

Sard

Precious Opal Vs Sard

Precious Opal

Sard

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Astrology

Origin

Australia

Southern and central Africa

Color

Yellow, Green, Blue

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

Streak

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

1.98-2.252.58-2.63

1 7.18

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Fracture

Conchoidal

Cleavage

None

Mohs Hardness

5-6.56.5-7

2 10

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Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Waxy

Pleochroism

Dispersion

0.010.01

0.005 1

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Transparency

Transparent, Translucent

Translucent

Refractive Index

1.370-1.4701.535-1.539

1 3.25

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Optic Character

Crystal System

Birefringence

-99990.008-0.010

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Strength

Healing

Emotional healing

Qualities Associated

Creativity

Protection

Precious Opal Vs Sard Fracture

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

Compare Blue Gemstones

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Precious Opal Vs Sard Luster

A primary knowledge about Precious Opal vs Sard 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, on other hand, exhibits Waxy luster.