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Gahnospinel
Gahnospinel

Black Opal
Black Opal



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Gahnospinel
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Black Opal

Gahnospinel Vs Black Opal

Astrology

Origin

Sri Lanka
Australia

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

3.65-4.551.97-2.22
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

None, but may exhibit slight parting
None

Mohs Hardness

7.5-86-6.5
2 10
👆🏻

Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.735-1.7901.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Empowerment
Transformation

Healing

-
Emotional healing

Qualities Associated

Transformation
Mystery

Gahnospinel Vs Black Opal Fracture

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

Gahnospinel Vs Black Opal Luster

A primary knowledge about Gahnospinel vs Black 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.