Gahnite

Franklinite

Gahnite Vs Franklinite

Gahnite

Franklinite

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Astrology

Origin

Australia

USA

Color

Blue, Green, Greenish, Black

Brown, Red, Black, Brownish

Streak

Grey, gray

Reddish, Brown

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

4.00-4.625.05-5.22

1 7.18

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Fracture

Conchoidal, Uneven

Uneven

Cleavage

Indistinct parting on [111]

None

Mohs Hardness

7.5-85.5-6

2 10

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Chemical Composition

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

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.030.19

0.005 1

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Transparency

Translucent

Refractive Index

1.790-1.818-9999

1 3.25

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Optic Character

Crystal System

cubic

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Aids in digestion and soothes the stomach

Reproductive

Digestive

Psychology

Protection

Creativity

Healing

Emotional healing

Qualities Associated

Harmony

Grounding

Gahnite Vs Franklinite Fracture

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

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Gahnite Vs Franklinite Luster

A primary knowledge about Gahnite vs Franklinite 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 exhibits Vitreous luster.