Neptunite

Spinel

Neptunite Vs Spinel

Neptunite

Spinel

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Astrology

Origin

USA

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

Color

Black, Red, Brown

Blue, Violet, Colorless, Red, Green, Brown

Streak

Brown, Red

White

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

3.19-3.233.64-3.66

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven

Cleavage

{110} good

None, but may exhibit slight parting

Mohs Hardness

5-68

2 10

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Chemical Composition

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

MgAl₂O₄

Optical Properties

Luster

Vitreous

Pleochroism

x=yellow-orange

Absent

Dispersion

0.030.02

0.005 1

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Transparency

Translucent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.692-1.7341.73

1 3.25

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Optic Character

Crystal System

monoclinic

Isometric

Birefringence

0.0294-0.0452-9999

0 0.296

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Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Passion

Revitalization

Healing

Emotional healing

Qualities Associated

Transformation

Vitality

Neptunite Vs Spinel Fracture

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

Compare Red Gemstones

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Neptunite Vs Spinel Luster

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