Hercynite

Blue John

Hercynite Vs Blue John

Hercynite

Blue John

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1 Astrology

1.1 Origin

Not Available

1.2 Color

Yellow, Black

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

1.3 Streak

Green

Not Available

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

4.393.00-3.25

1 7.18

2.5 Fracture

ConchoidalGemdat.org, Uneven

Not Available

2.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Not Available

2.7 Mohs Hardness

7.5-8Not Available

2 10

2.8 Chemical Composition

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

Transparent

3.5 Refractive Index

1.80-1.831.432-1.436

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Not Available

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Translucent

Transparent

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

Hercynite Vs Blue John Fracture

Fracture is an important parameter when you compare Hercynite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Hercynite Vs Blue John 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. Fracture observed in Hercynite is ConchoidalGemdat.org and Uneven.

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Hercynite Vs Blue John Luster

A primary knowledge about Hercynite vs Blue John 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. Hercynite exhibits Vitreous luster.