Chromite

Powellite

Chromite Vs Powellite

Chromite

Powellite

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Astrology

Origin

Southern and central Africa

India

Color

Black, Brownish, Brown

Yellow, Greenish, Blue, Brown, Green, gray

Streak

Brown

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

Brittle

Solubility

Durability

Specific Gravity

4.5-4.84.23

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

None, parting may develop along {111}

{111} Distinct

Mohs Hardness

5.53.5-4

2 10

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Chemical Composition

Fe++Cr2O4

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

Optical Properties

Luster

Greasy, Subadamantine

Pleochroism

none.

In deeply colored specimens: blue greenAnthony et al

Dispersion

0.040.03

0.005 1

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Transparency

Transparent

Refractive Index

2.08-2.161.974-1.984

1 3.25

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Optic Character

Crystal System

Isometric

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Poor

Good

Reproductive

Digestive

Psychology

Vitality

Healing

Emotional healing

Qualities Associated

Protection

Vitality

Chromite Vs Powellite Fracture

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

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Chromite Vs Powellite Luster

A primary knowledge about Chromite 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. Powellite, on other hand, exhibits Greasy and Subadamantine luster.