Nepheline

Mellite

Nepheline Vs Mellite

Nepheline

Mellite

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Astrology

Origin

Canada

Southern and central Africa

Color

White, Reddish, gray, Brown, Brownish

Brown, Brownish, White, Colorless, Yellow

Streak

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

Solubility

Durability

Specific Gravity

2.55-2.651.58-1.60

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

[1010] Poor

{011} Imperfect

Mohs Hardness

5-62

2 10

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Chemical Composition

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

Weak: yellowish brown yellowAnthony et al

Dispersion

0.010.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.529-1.5471.509-1.541

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

0.003-0.0040.030

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Happiness

Healing

Emotional healing

Qualities Associated

Clarity

Abundance

Nepheline Vs Mellite Fracture

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

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Nepheline Vs Mellite Luster

A primary knowledge about Nepheline 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. Nepheline exhibits Vitreous and Greasy luster. Mellite, on other hand, exhibits Vitreous luster.