Marcasite

Gahnite

Marcasite Vs Gahnite

Marcasite

Gahnite

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Astrology

Origin

Southern and central Africa

Australia

Color

Yellow, White

Blue, Green, Greenish, Black

Streak

gray, Brownish, Black

Grey, gray

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

4.80-4.904.00-4.62

1 7.18

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Fracture

Uneven

Conchoidal, Uneven

Cleavage

{010} Indistinct

Indistinct parting on [111]

Mohs Hardness

6-6.57.5-8

2 10

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Chemical Composition

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.050.03

0.005 1

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Transparency

Refractive Index

-99991.790-1.818

1 3.25

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Optic Character

Crystal System

cubic

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Aids in digestion and soothes the stomach

Reproductive

Digestive

Psychology

Protection

Healing

Emotional healing

Qualities Associated

Protection

Harmony

Marcasite Vs Gahnite Fracture

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

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Marcasite Vs Gahnite Luster

A primary knowledge about Marcasite vs Gahnite 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. Gahnite, on other hand, exhibits Vitreous luster.