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Dumortierite
Dumortierite

Povondraite
Povondraite



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X
Dumortierite
X
Povondraite

Dumortierite Vs Povondraite

Astrology

Origin

Southern and central Africa
-

Color

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

Streak

White
Brown

For which Rashi?

Leo, Sagittarius
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Planet

Saturn
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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

3.26-3.413.26
1 7.18
👆🏻

Fracture

Fibrous, ConchoidalWalter Schumann
Uneven

Cleavage

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

Mohs Hardness

7-8.5-9999
2 10
👆🏻

Chemical Composition

AlAl6O3BSi3O18
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Optical Properties

Luster

Vitreous
Resinous

Pleochroism

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

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent, Translucent to opaque
Translucent

Refractive Index

1.669-1.723-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.011-0.037-9999
0 0.296
👆🏻

Clarity

Translucent
Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Patience
-

Healing

Emotional healing
-

Qualities Associated

Patience
Protection

Dumortierite Vs Povondraite Fracture

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

Dumortierite Vs Povondraite Luster

A primary knowledge about Dumortierite vs Povondraite 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. Povondraite, on other hand, exhibits Resinous luster.