Gedrite

Powellite

Gedrite Vs Powellite

Gedrite

Powellite

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Astrology

Origin

Southern and central Africa

India

Color

Brown, Green, gray, White

Yellow, Greenish, Blue, Brown, Green, gray

Streak

gray, White

Yellow

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2594.23

1 7.18

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Fracture

Conchoidal

Cleavage

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

{111} Distinct

Mohs Hardness

5.5-63.5-4

2 10

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Chemical Composition

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

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Greasy, Subadamantine

Pleochroism

Weak to moderate

In deeply colored specimens: blue greenAnthony et al

Dispersion

0.020.03

0.005 1

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Transparency

Transparent

Refractive Index

1.625-1.7181.974-1.984

1 3.25

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Optic Character

Crystal System

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

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Focus

Healing

Emotional healing

Qualities Associated

Protection

Vitality

Gedrite Vs Powellite Fracture

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

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Gedrite Vs Powellite Luster

A primary knowledge about Gedrite vs Powellite 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. Gedrite exhibits Vitreous luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.