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Chlorastrolite
Chlorastrolite

Dumortierite
Dumortierite



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X
Chlorastrolite
X
Dumortierite

Chlorastrolite Vs Dumortierite

Astrology

Origin

USA
Southern and central Africa

Color

Green
Blue, Violet, Brown, White, Greenish, pink

Streak

-
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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.1-3.53.26-3.41
1 7.18
👆🏻

Fracture

Granular
Fibrous, ConchoidalWalter Schumann

Cleavage

None
Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

5-67-8.5
2 10
👆🏻

Chemical Composition

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
AlAl6O3BSi3O18

Optical Properties

Luster

Chatoyant
Vitreous

Pleochroism

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

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent, Translucent to opaque

Refractive Index

1.71.669-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0100.011-0.037
0 0.296
👆🏻

Clarity

-
Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Good

Reproductive

-
-

Digestive

-
-

Psychology

Emotional Healing
Patience

Healing

Emotional healing
Emotional healing

Qualities Associated

Healing
Patience

Chlorastrolite Vs Dumortierite Fracture

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

Chlorastrolite Vs Dumortierite Luster

A primary knowledge about Chlorastrolite 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. Chlorastrolite exhibits Chatoyant luster. Dumortierite, on other hand, exhibits Vitreous luster.