Gahnospinel

Neptunite

Gahnospinel Vs Neptunite

Gahnospinel

Neptunite

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Astrology

Origin

Sri Lanka

USA

Color

Blue

Black, Red, Brown

Streak

Brown, Red

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

Brittle

Solubility

Durability

Specific Gravity

3.65-4.553.19-3.23

1 7.18

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Fracture

Conchoidal

Cleavage

None, but may exhibit slight parting

{110} good

Mohs Hardness

7.5-85-6

2 10

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Chemical Composition

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

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Pleochroism

x=yellow-orange

Dispersion

0.020.03

0.005 1

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Transparency

Translucent

Refractive Index

1.735-1.7901.692-1.734

1 3.25

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Optic Character

Crystal System

Isometric

monoclinic

Birefringence

-99990.0294-0.0452

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Empowerment

Passion

Healing

Emotional healing

Qualities Associated

Transformation

Gahnospinel Vs Neptunite Fracture

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

Compare Blue Gemstones

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Gahnospinel Vs Neptunite Luster

A primary knowledge about Gahnospinel vs Neptunite 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. Neptunite, on other hand, exhibits Vitreous luster.