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Franklinite
Franklinite

Nepheline
Nepheline



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Franklinite
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Nepheline

Franklinite Vs Nepheline

Astrology

Origin

USA
Canada

Color

Brown, Red, Black, Brownish
White, Reddish, gray, Brown, Brownish

Streak

Reddish, Brown
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

5.05-5.222.55-2.65
1 7.18
👆🏻

Fracture

Uneven
Subconchoidal, Conchoidal

Cleavage

None
[1010] Poor

Mohs Hardness

5.5-65-6
2 10
👆🏻

Chemical Composition

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.190.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

-99991.529-1.547
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.003-0.004
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Creativity
-

Healing

-
-

Qualities Associated

Grounding
Clarity

Franklinite Vs Nepheline Fracture

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

Franklinite Vs Nepheline Luster

A primary knowledge about Franklinite vs Nepheline 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. Nepheline, on other hand, exhibits Vitreous and Greasy luster.