Blue John

Ceylonite

Blue John Vs Ceylonite

Blue John

Ceylonite

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1 Astrology

1.1 Origin

Not Available

Sri Lanka

1.2 Color

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

Red, Blue, Green, Brown, Black

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

none

2.3 Durability

Not Available

2.4 Specific Gravity

3.00-3.253.63-3.9

1 7.18

2.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Not Available

Indistinct

2.7 Mohs Hardness

Not Available7.5-8

2 10

2.8 Chemical Composition

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

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

3 Optical Properties

3.1 Luster

Not Available

Vitreous

3.2 Pleochroism

Not Available

Absent

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

Transparent, Translucent

3.5 Refractive Index

1.432-1.4361.770-1.780

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Isometric

3.8 Birefringence

Not AvailableNot Available

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 Ceylonite Fracture

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

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Blue John Vs Ceylonite Luster

A primary knowledge about Blue John vs Ceylonite 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. Ceylonite, on other hand, exhibits Vitreous luster.