Cobaltite

Prehnite

Cobaltite Vs Prehnite

Cobaltite

Prehnite

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1 Astrology

1.1 Origin

Canada

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

1.2 Color

Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black

Green, Colorless, gray, Yellow, White

1.3 Streak

Black

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

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

6.32.80-2.95

1 7.18

2.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

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

2.6 Cleavage

{100} Good, {010} Good, {001} Good

Distinct on [001]

2.7 Mohs Hardness

5.56-6.5

2 10

2.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Not Available

Vitreous

3.2 Pleochroism

Very weak

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Gems

Translucent

3.5 Refractive Index

Not Available1.611-1.673

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21

Orthorhombic

3.8 Birefringence

Not Available0.021-0.033

0 0.296

3.9 Clarity

Gems

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

Cobaltite Vs Prehnite Fracture

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

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Cobaltite Vs Prehnite Luster

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