Cordierite

Forsterite

Cordierite Vs Forsterite

Cordierite

Forsterite

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1 Astrology

1.1 Origin

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Southern and central Africa

1.2 Color

Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray

Colorless, Green, Yellow, White, Colorless, Green, Yellow, White

1.3 Streak

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

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.57-2.663.23-3.26

1 7.18

2.5 Fracture

Subconchoidal, Conchoidal, Brittle

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

2.6 Cleavage

Fair on {100}, poor on {001} and {010}

Perfect on {010} imperfect on {100}

2.7 Mohs Hardness

7-7.56.5-7

2 10

2.8 Chemical Composition

Mg2Al4Si5O18

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Greasy, Vitreous

Vitreous

3.2 Pleochroism

X = pale yellow

colorless.

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Transparent

3.5 Refractive Index

Not Available1.635-1.671

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

Not Available0.033-0.042

0 0.296

3.9 Clarity

Not Available

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 Vs Forsterite Fracture

Fracture is an important parameter when you compare Cordierite and Forsterite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Vs Forsterite 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 is Brittle, Conchoidal and Subconchoidal. Forsterite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).

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Cordierite Vs Forsterite Luster

A primary knowledge about Cordierite vs Forsterite 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 exhibits Greasy and Vitreous luster. Forsterite, on other hand, exhibits Vitreous luster.