Hübnerite

Q: What is Hübnerite?

La hübnerita es el miembro terminal rico en manganeso del grupo de la wolframita (una serie de tungstato de hierro-manganeso), que forma cristales prismáticos aciculares de color rojo-marrón a negro rojizo con lustre resinoso a submetálico. Los mejores cristales transparentes de color rojo rubí a na

Q: What is the hardness of Hübnerite?

Hübnerite has a Mohs hardness of 4.0 to 4.5, making it relatively soft for use in jewelry.

Q: What color is Hübnerite?

Hübnerite is primarily Various.

Q: How much does Hübnerite cost?

Hübnerite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.

Q: What is the crystal system of Hübnerite?

Hübnerite belongs to the Monoclinic crystal system.

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Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 4,0 – 4,5

Specific Gravity 7,12 – 7,18

Refractive Index 2,17 – 2,32

Crystal System Monoclinic

Cleavage Perfect

Fracture Uneven

Color various

Birefringence 0,13

Pleochroism Perceptible: yellow to green, red-orange - yellowish brown to greenish yellow, red-orange to red - green; brick-red to red

Mohs Hardness

Mohs Hardness: 4,0 – 4,5

1 Soft10 Hard

Crystal System

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Hübnerite

Blue Nile Fine jewelry retailer

James Allen Gemstone jewelry

Brilliant Earth Ethically sourced gems

Amazon Wide selection

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About Hübnerite

La hübnerita es el miembro terminal rico en manganeso del grupo de la wolframita (una serie de tungstato de hierro-manganeso), que forma cristales prismáticos aciculares de color rojo-marrón a negro rojizo con lustre resinoso a submetálico. Los mejores cristales transparentes de color rojo rubí a naranja rojizo provienen de Perú y constituyen excepcionales rarezas de coleccionista; el tungstato de manganeso puro produce el más cálido color rojizo. Su extrema densidad (peso específico ~7,2) es diagnóstica.