Kyanite

Dumortierite

Kyanite Vs Dumortierite

Kyanite

Dumortierite

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Astrology

Origin

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

Southern and central Africa

Color

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

Blue, Violet, Brown, White, Greenish, pink

Streak

White

For which Rashi?

Aries, Libra, Taurus

Leo, Sagittarius

Planet

Jupiter

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Isis

Not to wear with

Powers

Love

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.53-3.653.26-3.41

1 7.18

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Fracture

Splintery

Fibrous, ConchoidalWalter Schumann

Cleavage

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

Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

4-77-8.5

2 10

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Chemical Composition

Al2SiO5

AlAl₆O₃BSi₃O₁₈

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Trichroic

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

Dispersion

0.020.01

0.005 1

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Transparency

Translucent, Translucent to opaque

Refractive Index

1.71-1.741.669-1.723

1 3.25

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Optic Character

Crystal System

Triclinic

Orthorhombic

Birefringence

-99990.011-0.037

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Inner bridges

Patience

Healing

Physical healing

Emotional healing

Qualities Associated

Inner Peace

Patience

Kyanite Vs Dumortierite Fracture

Fracture is an important parameter when you compare Kyanite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Kyanite Vs Dumortierite 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. Dumortierite fracture is Fibrous and ConchoidalWalter Schumann.

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Kyanite Vs Dumortierite Luster

A primary knowledge about Kyanite vs Dumortierite 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. Dumortierite, on other hand, exhibits Vitreous luster.