Blue John

Pyrophyllite

Blue John Vs Pyrophyllite

Blue John

Pyrophyllite

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1 Astrology

1.1 Origin

Not Available

Brazil

1.2 Color

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

White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray

1.3 Streak

Not Available

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.00-3.252.65-2.90

1 7.18

2.5 Fracture

Not Available

Gemstones (2009), Flexible Flexible fragments.

2.6 Cleavage

Not Available

{001} Perfect

2.7 Mohs Hardness

Not AvailableNot Available

2 10

2.8 Chemical Composition

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

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Not Available

Pearly

3.2 Pleochroism

Not Available

NilArthur Thomas

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

Translucent

3.5 Refractive Index

1.432-1.4361.534-1.601

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

3.8 Birefringence

Not Available0.050

0 0.296

3.9 Clarity

Transparent

Translucent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Blue John Vs Pyrophyllite Fracture

Fracture is an important parameter when you compare Blue John and Pyrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Pyrophyllite 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. Pyrophyllite fracture is Flexible Flexible fragments. and Gemstones (2009).

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Blue John Vs Pyrophyllite Luster

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