Gahnospinel

Common Opal

Gahnospinel Vs Common Opal

Gahnospinel

Common Opal

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Astrology

Origin

Sri Lanka

Southern and central Africa

Color

Blue

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

Streak

For which Rashi?

Sagittarius, Scorpio

Planet

Pluto

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.65-4.551.98-2.50

1 7.18

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Fracture

Conchoidal

Cleavage

None, but may exhibit slight parting

None

Mohs Hardness

7.5-85.5-6.5

2 10

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Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.020.01

0.005 1

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Transparency

Translucent

Refractive Index

1.735-1.7901.37-1.52

1 3.25

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Optic Character

Crystal System

Isometric

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Empowerment

Creativity

Healing

Emotional healing

Qualities Associated

Transformation

Creativity

Gahnospinel Vs Common Opal Fracture

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

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Gahnospinel Vs Common Opal Luster

A primary knowledge about Gahnospinel vs Common 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. Gahnospinel exhibits Vitreous luster.