Blue John

Andradite

Blue John Vs Andradite

Blue John

Andradite

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1 Astrology

1.1 Origin

Not Available

Italy, Russia

1.2 Color

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

Colorless, Green, Black, Brown, Red, Greenish, Yellow, 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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.00-3.253.70-4.10

1 7.18

2.5 Fracture

Not Available

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Not Available

none

2.7 Mohs Hardness

Not Available6.5-7

2 10

2.8 Chemical Composition

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

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

3 Optical Properties

3.1 Luster

Not Available

Adamantine, Resinous

3.2 Pleochroism

Not Available

3.3 Dispersion

NA0.06

0.007 1

3.4 Transparency

Transparent

3.5 Refractive Index

1.432-1.4361.88-1.94

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

cubic

3.8 Birefringence

Not Available0.057

0 0.296

3.9 Clarity

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

Blue John Vs Andradite Fracture

Fracture is an important parameter when you compare Blue John and Andradite Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Andradite 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. Andradite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.

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Blue John Vs Andradite Luster

A primary knowledge about Blue John vs Andradite 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. Andradite, on other hand, exhibits Adamantine and Resinous luster.