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Kyanite
Kyanite

Sapphire
Sapphire



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Kyanite
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Sapphire

Kyanite Vs Sapphire

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Astrology

Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA

Color

Blue, Yellow, Colorless, White, gray, Green, Black
Colorless, Yellow, Green, Violet, White, Blue, Red, pink

Streak

White
-

For which Rashi?

Aries, Libra, Taurus
Pisces, Taurus, Gemini, Libra

Planet

Jupiter
Saturn

Element of Planets

Water
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Apollo

Not to wear with

-
-

Powers

Love
Psychic Power

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

-
insoluble

Durability

-
-

Specific Gravity

3.53-3.653.95-4.03
1 7.18
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Fracture

Splintery
Uneven

Cleavage

[100] perfect [010] imperfect with 79° angle between
None, but may exhibit parting

Mohs Hardness

4-79
2 10
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Chemical Composition

Al2SiO5
Al 2 O 3

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Adamantine

Pleochroism

Trichroic
Strong

Dispersion

0.020.02
0.005 1
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Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

1.71-1.741.762-1.788
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
Trigonal

Birefringence

-99990.008-0.009
0 0.296
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Clarity

-
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

Supports heart health
-

Respiratory

Good
Good

Reproductive

Supports reproductive health
-

Digestive

-
-

Psychology

Inner bridges
Intuition

Healing

Physical healing
Emotional healing

Qualities Associated

Inner Peace
Wisdom

Kyanite Vs Sapphire Fracture

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

Kyanite Vs Sapphire Luster

A primary knowledge about Kyanite vs Sapphire 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. Sapphire, on other hand, exhibits Vitreous and Adamantine luster.