Blue John

Phlogopite

Blue John Vs Phlogopite

Blue John

Phlogopite

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Astrology

Origin

Italy

Color

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

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

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

Tough

Solubility

Durability

Specific Gravity

3.00-3.252.78-2.85

1 7.18

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Fracture

Uneven

Cleavage

Perfect

Perfect basal (001)

Mohs Hardness

-99992-2.5

2 10

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Chemical Composition

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

KMg3(Si3Al)O10(F,OH)2

Optical Properties

Luster

Pearly

Pleochroism

Dispersion

0.020.04

0.005 1

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Transparency

Transparent

Refractive Index

1.432-1.4361.530-1.573

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.0280-0.0450

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

Self-discovery

Healing

Emotional healing

Qualities Associated

Mental Clarity

Awareness

Blue John Vs Phlogopite Fracture

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

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Blue John Vs Phlogopite Luster

A primary knowledge about Blue John vs Phlogopite 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. Phlogopite, on other hand, exhibits Pearly luster.