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Nepheline
Nepheline

Cuprite
Cuprite



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Nepheline
X
Cuprite

Nepheline Vs Cuprite

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Astrology

Origin

Canada
Southern and central Africa

Color

White, Reddish, gray, Brown, Brownish
Red, Brown, Black

Streak

White
Brownish, Red

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

2.55-2.655.85-6.15
1 7.18
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Fracture

Subconchoidal, Conchoidal
Conchoidal

Cleavage

[1010] Poor
Fair in four directions forming octahedrons

Mohs Hardness

5-63.5-4
2 10
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Chemical Composition

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy
Adamantine

Pleochroism

-
visible

Dispersion

0.010.05
0.005 1
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Transparency

Transparent, Translucent
TranslucentWalter Schumann

Refractive Index

1.529-1.5472.849
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
cubic

Birefringence

0.003-0.004-9999
0 0.296
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Clarity

Transparent
TranslucentWalter Schumann

Benefits

Physical

Neurological

-
-

Cardiovascular

-
Supports heart health

Respiratory

-
Poor

Reproductive

-
-

Digestive

-
-

Psychology

-
Vitality

Healing

-
Emotional healing

Qualities Associated

Clarity
Vitality

Nepheline Vs Cuprite Fracture

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

Nepheline Vs Cuprite Luster

A primary knowledge about Nepheline vs Cuprite 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. Cuprite, on other hand, exhibits Adamantine luster.