Franklinite

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Physical & Optical Properties

Mohs Hardness 6,0
Specific Gravity 5,05 – 5,22
Crystal System Isometric
Cleavage Fair
Fracture Uneven,Sub-Conchoidal
Color various

Mohs Hardness

Mohs Hardness: 6,0
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

About Franklinite

La franklinita es un óxido de zinc, hierro y manganeso de la serie de la espinela, que forma cristales octaédricos negruzcos a marrón oscuro en el famoso yacimiento de zinc de Franklin, Nueva Jersey, uno de los sitios de minerales fluorescentes más extraordinarios del mundo. Prácticamente exclusiva de este lugar, la franklinita no tiene aplicación gemológica, pero forma parte de los preciados espécimenes multicomponentes de Franklin, apreciados por su fluorescencia bajo la luz ultravioleta.

Jewelry Use

Durability 5/10

Science FYI Family

Frequently Asked Questions

What is Franklinite?
La franklinita es un óxido de zinc, hierro y manganeso de la serie de la espinela, que forma cristales octaédricos negruzcos a marrón oscuro en el famoso yacimiento de zinc de Franklin, Nueva Jersey, uno de los sitios de minerales fluorescentes más extraordinarios del mundo. Prácticamente exclusiva
What is the hardness of Franklinite?
Franklinite has a Mohs hardness of 6.0, making it moderate for use in jewelry.
What color is Franklinite?
Franklinite is primarily Various.
How much does Franklinite cost?
Franklinite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Franklinite?
Franklinite belongs to the Isometric crystal system.

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