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Staurolite
Staurolite

Dumortierite
Dumortierite



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X
Staurolite
X
Dumortierite

Staurolite Vs Dumortierite

Astrology

Origin

Switzerland
Southern and central Africa

Color

Brown, Brownish, Yellow, Black, Reddish
Blue, Violet, Brown, White, Greenish, pink

Streak

White, gray
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

3.7-3.83.26-3.41
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Fibrous, ConchoidalWalter Schumann

Cleavage

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

Mohs Hardness

7-7.57-8.5
2 10
👆🏻

Chemical Composition

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
AlAl6O3BSi3O18

Optical Properties

Luster

Resinous
Vitreous

Pleochroism

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

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent, Translucent to opaque

Refractive Index

1.736-1.7621.669-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.009-0.0150.011-0.037
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

Protection
Patience

Healing

Physical healing
Emotional healing

Qualities Associated

Protection
Patience

Staurolite Vs Dumortierite Fracture

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

Staurolite Vs Dumortierite Luster

A primary knowledge about Staurolite 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. Staurolite exhibits Resinous luster. Dumortierite, on other hand, exhibits Vitreous luster.