Franklinite

Sphalerite

Franklinite Vs Sphalerite

Franklinite

Sphalerite

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Astrology

Origin

USA

Mexico, USA, Spain

Color

Brown, Red, Black, Brownish

Green, Brown, Yellow, Red, Black

Streak

Reddish, Brown

Brownish, White

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

5.05-5.223.95-4.10

1 7.18

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Fracture

Uneven

Cleavage

None

{110} Perfect, {110} Perfect, {110} Perfect

Mohs Hardness

5.5-63.5-4

2 10

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Chemical Composition

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

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Adamantine

Pleochroism

Dispersion

0.190.16

0.005 1

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Transparency

Translucent

Transparent, Translucent

Refractive Index

-99992.368-2.371

1 3.25

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Optic Character

Crystal System

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

Isometric

Birefringence

-9999-9999

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Healing

Physical healing

Qualities Associated

Grounding

Franklinite Vs Sphalerite Fracture

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

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Franklinite Vs Sphalerite Luster

A primary knowledge about Franklinite vs Sphalerite 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. Sphalerite, on other hand, exhibits Adamantine luster.