Cordierite

Prehnite

Cordierite Vs Prehnite

Cordierite

Prehnite

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1 Astrology

1.1 Origin

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

Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France

1.2 Color

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

Green, Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

Not Available

Libra

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Freya

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.57-2.662.80-2.95

1 7.18

2.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

2.6 Cleavage

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

Distinct on [001]

2.7 Mohs Hardness

7-7.56-6.5

2 10

2.8 Chemical Composition

Mg2Al4Si5O18

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Greasy, Vitreous

Vitreous

3.2 Pleochroism

X = pale yellow

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Not Available

Translucent

3.5 Refractive Index

Not Available1.611-1.673

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

Not Available0.021-0.033

0 0.296

3.9 Clarity

Not Available

TranslucentHerve Nicolas Lazzarelli

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 Prehnite Fracture

Fracture is an important parameter when you compare Cordierite and Prehnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Vs Prehnite 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. Prehnite fracture is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow.

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Cordierite Vs Prehnite Luster

A primary knowledge about Cordierite vs Prehnite 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. Prehnite, on other hand, exhibits Vitreous luster.