Cordierite Iolite

Blue John

Cordierite Iolite Vs Blue John

Cordierite Iolite

Blue John

Add ⊕

1 Astrology

1.1 Origin

Canada, Madagascar, Southern and central Africa, Sri Lanka, USA

Not Available

1.2 Color

Violet, Blue

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

1.3 Streak

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

2.56-2.663.00-3.25

1 7.18

2.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Not Available

2.6 Cleavage

Not Available

2.7 Mohs Hardness

7-7.5Not Available

2 10

2.8 Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Strong trichroism: colorless to yellowish

Not Available

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent

3.5 Refractive Index

1.542-1.5781.432-1.436

1 3.25

3.6 Optic Character

Biaxial/+

Not Available

3.7 Crystal System

Not Available

3.8 Birefringence

0.008-0.012Not 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

Cordierite Iolite Vs Blue John Fracture

Fracture is an important parameter when you compare Cordierite Iolite and Blue John Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Iolite 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 Cordierite Iolite is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven.

Compare Blue Gemstones

Cordierite Iolite Vs Dumortierite

Cordierite Iolite Vs Falcons Eye

Cordierite Iolite Vs Elbaite

Cordierite Iolite Vs Blue John Luster

A primary knowledge about Cordierite Iolite 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. Cordierite Iolite exhibits Vitreous luster.