Opal

Star Sapphire

Opal Vs Star Sapphire

Opal

Star Sapphire

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Astrology

Origin

Ethiopia

Southern and central Africa

Color

Yellow, White, Red, Brown, Blue

Yellow, Green, Blue, Violet

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

1.98-2.253.90-4.05

1 7.18

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Fracture

Conchoidal

Cleavage

None

Mohs Hardness

5-6.5-9999

2 10

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Chemical Composition

SiO₂ · nH₂O

Al 2O 3Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

None

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.37-1.521.758-1.780

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

-99990.007-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Wisdom

Healing

Emotional healing

Qualities Associated

Creativity

Wisdom

Opal Vs Star Sapphire Fracture

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

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Opal Vs Star Sapphire Luster

A primary knowledge about Opal vs Star Sapphire 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.