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Oligoclase
Oligoclase

Dumortierite
Dumortierite



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X
Oligoclase
X
Dumortierite

Oligoclase Vs Dumortierite

Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

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

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.62-2.673.26-3.41
1 7.18
👆🏻

Fracture

Uneven
Fibrous, ConchoidalWalter Schumann

Cleavage

From the Greek, oligos and kasein, little cleavage.
Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

6-6.57-8.5
2 10
👆🏻

Chemical Composition

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
AlAl6O3BSi3O18

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

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent, Translucent to opaque

Refractive Index

1.538-1.5501.669-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0100.011-0.037
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Patience

Healing

Emotional healing
Emotional healing

Qualities Associated

Harmony
Patience

Oligoclase Vs Dumortierite Fracture

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

Oligoclase Vs Dumortierite Luster

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