Nepheline

Bustamite

Nepheline Vs Bustamite

Nepheline

Bustamite

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Astrology

Origin

Canada

Australia

Color

White, Reddish, gray, Brown, Brownish

Reddish, Brown, Red, pink

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

Partly soluble in HCl.

Durability

Specific Gravity

2.55-2.653.32-3.43

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

[1010] Poor

{100} perfect; {110} and {1 1 0} good; {010} poor

Mohs Hardness

5-65.5-6

2 10

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Chemical Composition

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

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

Weak

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.529-1.5471.662-1.707

1 3.25

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Optic Character

Crystal System

Hexagonal

Triclinic

Birefringence

0.003-0.0040.013-0.015

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Love

Healing

Emotional healing

Qualities Associated

Clarity

Love

Nepheline Vs Bustamite Fracture

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

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Nepheline Vs Bustamite Luster

A primary knowledge about Nepheline vs Bustamite 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. Bustamite, on other hand, exhibits Vitreous luster.