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Kyanite
Kyanite

Cordierite
Cordierite



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X
Kyanite
X
Cordierite

Kyanite Vs Cordierite

Astrology

Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Color

Blue, Yellow, Colorless, White, gray, Green, Black
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Streak

White
White

For which Rashi?

Aries, Libra, Taurus
-

Planet

Jupiter
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

Love
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.53-3.652.57-2.66
1 7.18
👆🏻

Fracture

Splintery
Subconchoidal, Conchoidal

Cleavage

[100] perfect [010] imperfect with 79° angle between
Fair on {100}, poor on {001} and {010}

Mohs Hardness

4-77-7.5
2 10
👆🏻

Chemical Composition

Al2SiO5
Mg2Al4Si5O18

Optical Properties

Luster

Vitreous, Pearly
Greasy, Vitreous

Pleochroism

Trichroic
X = pale yellow

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.71-1.74-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
Supports healthy digestion

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
Psychic Abilities

Kyanite Vs Cordierite Fracture

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

Kyanite Vs Cordierite Luster

A primary knowledge about Kyanite vs Cordierite 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. Cordierite, on other hand, exhibits Greasy and Vitreous luster.