Kyanite

Prehnite

Kyanite Vs Prehnite

Kyanite

Prehnite

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Astrology

Origin

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

Australia, Southern and central Africa, France

Color

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

Green, Colorless, gray, Yellow, White

Streak

White

Colorless

For which Rashi?

Aries, Libra, Taurus

Libra

Planet

Jupiter

Venus

Element of Planets

Water

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Freya

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.53-3.652.80-2.95

1 7.18

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Fracture

Splintery

Uneven

Cleavage

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

Distinct on [001]

Mohs Hardness

4-76-6.5

2 10

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Chemical Composition

Al2SiO5

Ca₂Al₂Si₃O₁₂(OH)

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Trichroic

Dispersion

0.020.01

0.005 1

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Transparency

Translucent

Refractive Index

1.71-1.741.611-1.673

1 3.25

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Optic Character

Crystal System

Triclinic

Orthorhombic

Birefringence

-99990.021-0.033

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Inner bridges

Harmony

Healing

Physical healing

Qualities Associated

Inner Peace

Harmony

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 Splintery. Prehnite fracture is Uneven.

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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 Vitreous and Pearly luster. Prehnite, on other hand, exhibits Vitreous luster.