Nepheline

Scheelite

Nepheline Vs Scheelite

Nepheline

Scheelite

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1 Astrology

1.1 Origin

Canada

Switzerland, Australia, Brazil

1.2 Color

White, Reddish, gray, Brown, Brownish

Yellow, Colorless, White, Brownish, Reddish

1.3 Streak

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.55-2.655.9-6.3

1 7.18

2.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

2.6 Cleavage

[1010] Poor

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

2.7 Mohs Hardness

5-64.5-5

2 10

2.8 Chemical Composition

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

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous, Adamantine

3.2 Pleochroism

Not Available

Definite dichoric in yellow (yellow to orange-brown)

3.3 Dispersion

NA0.04

0.007 1

3.4 Transparency

Transparent, Translucent

Translucent, Transparent

3.5 Refractive Index

1.529-1.5471.918-1.936

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

tetragonal

3.8 Birefringence

0.003-0.0040.016

0 0.296

3.9 Clarity

Transparent

Translucent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Nepheline Vs Scheelite Fracture

Fracture is an important parameter when you compare Nepheline and Scheelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nepheline Vs Scheelite 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 Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal. Scheelite fracture is Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references and Uneven.

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Nepheline Vs Scheelite Luster

A primary knowledge about Nepheline vs Scheelite 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 Greasy and Vitreous luster. Scheelite, on other hand, exhibits Adamantine and Vitreous luster.