Blue John

Jet

Blue John Vs Jet

Blue John

Jet

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1 Astrology

1.1 Origin

Not Available

Spain

1.2 Color

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

Black

1.3 Streak

Not Available

1.4 For which Rashi?

Not Available

Capricorn

1.5 Planet

Not Available

Saturn

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Cybele

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Protection

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

3.00-3.251.19-1.35

1 7.18

2.5 Fracture

Not Available

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

2.6 Cleavage

Not Available

2.7 Mohs Hardness

Not Available2.5-4

2 10

2.8 Chemical Composition

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

Not Available

3 Optical Properties

3.1 Luster

Not Available

Waxy

3.2 Pleochroism

Not Available

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Transparent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.432-1.4361.640-1.680

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Amorphous

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

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 Jet Fracture

Fracture is an important parameter when you compare Blue John and Jet Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Jet 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. Jet fracture is ConchoidalWalter Schumann, ConchoidalWalter Schumann and Gemstones of the world (2001) More from other references.

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Blue John Vs Jet Luster

A primary knowledge about Blue John vs Jet 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. Jet, on other hand, exhibits Waxy luster.