Nepheline

Sanidine

Nepheline Vs Sanidine

Nepheline

Sanidine

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Astrology

Origin

Canada

Madagascar, Southern and central Africa

Color

White, Reddish, gray, Brown, Brownish

Grey, Brownish, Blue, Colorless, White, gray, Reddish

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

2.55-2.652.54-2.61

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven

Cleavage

[1010] Poor

{001} Perfect, {010} Good

Mohs Hardness

5-66

2 10

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Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Greasy

Pleochroism

Dispersion

0.010.01

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.529-1.5471.518-1.536

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

0.003-0.0040.005-0.008

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Reproductive

Digestive

Psychology

Creativity

Healing

Qualities Associated

Clarity

Creativity

Nepheline Vs Sanidine Fracture

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

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Nepheline Vs Sanidine Luster

A primary knowledge about Nepheline vs Sanidine 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.