Allanite

Prehnite

Allanite Vs Prehnite

Allanite

Prehnite

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1 Astrology

1.1 Origin

Not Available, Southern and central Africa

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

1.2 Color

Brown, Black

Green, Colorless, gray, Yellow, White

1.3 Streak

Not Available

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

3.40-4.202.80-2.95

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

Not Available

Distinct on [001]

2.7 Mohs Hardness

Not Available6-6.5

2 10

2.8 Chemical Composition

Not Available

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Not Available

Vitreous

3.2 Pleochroism

Not Available

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Not Available

Translucent

3.5 Refractive Index

11.611-1.673

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

0.013-0.0360.021-0.033

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

Allanite Vs Prehnite Fracture

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

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Allanite Vs Prehnite Luster

A primary knowledge about Allanite 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.