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Dumortierite
Dumortierite

Lazurite
Lazurite



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X
Dumortierite
X
Lazurite

Dumortierite Vs Lazurite

Astrology

Origin

Southern and central Africa
Afghanistan, Southern and central Africa

Color

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

Streak

White
Blue, 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

-
Soluble

Durability

-
-

Specific Gravity

3.26-3.412.75
1 7.18
👆🏻

Fracture

Fibrous, ConchoidalWalter Schumann
Uneven, Conchoidal

Cleavage

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

Mohs Hardness

7-8.55.5
2 10
👆🏻

Chemical Composition

AlAl6O3BSi3O18
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

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

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent, Translucent to opaque
-

Refractive Index

1.669-1.7231.500
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.011-0.037-9999
0 0.296
👆🏻

Clarity

Translucent
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Patience
Communication

Healing

Emotional healing
Emotional healing

Qualities Associated

Patience
Clarity

Dumortierite Vs Lazurite Fracture

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

Dumortierite Vs Lazurite Luster

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