Blue John

Nepheline

Blue John Vs Nepheline

Blue John

Nepheline

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Astrology

Origin

Canada

Color

White, Colorless, Blue, Red, Green, Yellow, Violet

White, Reddish, gray, Brown, Brownish

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

3.00-3.252.55-2.65

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Perfect

[1010] Poor

Mohs Hardness

-99995-6

2 10

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Chemical Composition

CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Optical Properties

Luster

Vitreous, Greasy

Pleochroism

Dispersion

0.020.01

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

1.432-1.4361.529-1.547

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

-99990.003-0.004

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Psychology

Harmony

Healing

Emotional healing

Qualities Associated

Mental Clarity

Clarity

Blue John Vs Nepheline Fracture

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

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Blue John Vs Nepheline Luster

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