Blue John

Almandine

Blue John Vs Almandine

Blue John

Almandine

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Astrology

Origin

Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA

Color

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

Red, Brown, Brownish, Black

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

3.00-3.253.95-4.30

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect

none

Mohs Hardness

-99997-7.5

2 10

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Chemical Composition

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

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

Greasy, Vitreous

Pleochroism

None

Dispersion

0.020.03

0.005 1

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Transparency

Transparent

Refractive Index

1.432-1.4361.770-1.820

1 3.25

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Optic Character

Crystal System

cubic

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Harmony

Strength

Healing

Emotional healing

Qualities Associated

Mental Clarity

Devotion

Blue John Vs Almandine Fracture

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

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Blue John Vs Almandine Luster

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