×

Dumortierite
Dumortierite

Cordierite
Cordierite



ADD
Compare
X
Dumortierite
X
Cordierite

Dumortierite Vs Cordierite

Astrology

Origin

Southern and central Africa
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Color

Blue, Violet, Brown, White, Greenish, pink
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Streak

White
White

For which Rashi?

Leo, Sagittarius
-

Planet

Saturn
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Isis
-

Not to wear with

-
-

Powers

Healing
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.26-3.412.57-2.66
1 7.18
👆🏻

Fracture

Fibrous, ConchoidalWalter Schumann
Subconchoidal, Conchoidal

Cleavage

Distinct on {100}, poor on {110}; parting on {001}
Fair on {100}, poor on {001} and {010}

Mohs Hardness

7-8.57-7.5
2 10
👆🏻

Chemical Composition

AlAl6O3BSi3O18
Mg2Al4Si5O18

Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

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

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent, Translucent to opaque
-

Refractive Index

1.669-1.723-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.011-0.037-9999
0 0.296
👆🏻

Clarity

Translucent
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
Supports healthy digestion

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Patience
Intuition

Healing

Emotional healing
Emotional healing

Qualities Associated

Patience
Psychic Abilities

Dumortierite Vs Cordierite Fracture

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

Dumortierite Vs Cordierite Luster

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