Kyanite

Prehnite

Kyanite Vs Prehnite

Kyanite

Prehnite

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1 Astrology

1.1 Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

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

1.2 Color

Blue, Yellow, Colorless, White, gray, Green, Black

Green, Colorless, gray, Yellow, White

1.3 Streak

White

Colorless

1.4 For which Rashi?

Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus

Libra

1.5 Planet

Jupiter

Venus

1.6 Element of Planets

Water

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

1.9 Deities

Endurance, Meditation, Love

Freya

1.10 Not to wear with

Not Available

1.11 Powers

Love

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

3.53-3.65

2.80-2.95

2.5 Fracture

Splintery, Brittle, Metallic

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

2.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

Distinct on [001]

2.7 Mohs Hardness

4-7

6-6.5

2.8 Chemical Composition

Not Available

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

Trichroic

AbsentWalter Schumann

3.3 Dispersion

Albite

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▶

▼

Not Available

Rank: N/A (Overall)▶

None

Rank: N/A (Overall)▶

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Fluorite

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▶

0.044 (Anglesite)

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3.4 Transparency

Not Available

Translucent

3.5 Refractive Index

1.71-1.74

1.611-1.673

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

Orthorhombic

3.8 Birefringence

Not Available

0.021-0.033

3.9 Clarity

Color grading system

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

Kyanite Vs Prehnite Fracture

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

Compare Blue Gemstones

Kyanite Vs Kashmir sapphire

Kyanite Vs Swiss blue topaz

Kyanite Vs Blue quartz

Kyanite Vs Prehnite Luster

A primary knowledge about Kyanite 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. Kyanite exhibits Pearly and Vitreous luster. Prehnite, on other hand, exhibits Vitreous luster.