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Dumortierite
Dumortierite

Gedrite
Gedrite



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X
Dumortierite
X
Gedrite

Dumortierite Vs Gedrite

Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

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

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.26-3.413.15-3.259
1 7.18
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Fracture

Fibrous, ConchoidalWalter Schumann
-

Cleavage

Distinct on {100}, poor on {110}; parting on {001}
Gedrite   Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Mohs Hardness

7-8.55.5-6
2 10
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Chemical Composition

AlAl6O3BSi3O18
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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
Weak to moderate

Dispersion

0.010.02
0.005 1
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Transparency

Translucent, Translucent to opaque
Transparent

Refractive Index

1.669-1.7231.625-1.718
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

0.011-0.037-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Patience
Focus

Healing

Emotional healing
-

Qualities Associated

Patience
Protection

Dumortierite Vs Gedrite Fracture

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

Dumortierite Vs Gedrite Luster

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