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Neptunite
Neptunite

Mellite
Mellite



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Neptunite
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Mellite

Neptunite Vs Mellite

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Astrology

Origin

USA
Southern and central Africa

Color

Black, Red, Brown
Brown, Brownish, White, Colorless, Yellow

Streak

Brown, Red
White

For which Rashi?

-
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.19-3.231.58-1.60
1 7.18
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Fracture

Conchoidal
Conchoidal

Cleavage

{110} good
{011} Imperfect

Mohs Hardness

5-62
2 10
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Chemical Composition

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

x=yellow-orange
Weak: yellowish brown yellowAnthony et al

Dispersion

0.030.01
0.005 1
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Transparency

Translucent
-

Refractive Index

1.692-1.7341.509-1.541
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.0294-0.04520.030
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
Happiness

Healing

Emotional healing
Emotional healing

Qualities Associated

Transformation
Abundance

Neptunite Vs Mellite Fracture

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

Neptunite Vs Mellite Luster

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