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Nepheline
Nepheline

Crocoite
Crocoite



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X
Nepheline
X
Crocoite

Nepheline Vs Crocoite

Astrology

Origin

Canada
Australia, Southern and central Africa

Color

White, Reddish, gray, Brown, Brownish
Red, Yellow, orange

Streak

White
yellowish orange

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

2.55-2.655.90-6.10
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Conchoidal

Cleavage

[1010] Poor
{110} Distinct, {001} Indistinct, {100} Indistinct

Mohs Hardness

5-62.5-3
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Vitreous, Greasy
Adamantine

Pleochroism

-
Distinctly trichroic

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.529-1.5472.31-2.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Birefringence

0.003-0.004-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
Supports heart health

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Passion

Healing

-
Physical healing

Qualities Associated

Clarity
Passion

Nepheline Vs Crocoite Fracture

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

Nepheline Vs Crocoite Luster

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