Pyrargyrite

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Physical & Optical Properties

Category Collector Gems
Mohs Hardness 2,5 – 3,0
Specific Gravity 5,85
Refractive Index 2,881 – 3,084
Crystal System Trigonal
Cleavage Indistinct
Fracture Conchoidal
Color various
Birefringence 0,203
Pleochroism Strong

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Pyrargyrite
Mohs hardness of Pyrargyrite shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Pyrargyrite
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

Crystal System

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Pyrargyrite

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About Pyrargyrite

La pirargirita, o rubí de plata oscuro, es un sulfosal de plata de color rojo rubí intenso a negro con un lustre adamantino a metálico y notable transparencia en fragmentos delgados. Se halla en venas hidrotermales de plata junto a otros minerales de plata y ha sido un importante mineral mena de plata en yacimientos de Alemania, Bolivia, México y Canadá. Los cristales prismáticos perfectos se cuentan entre los ejemplares de mineral rojo más buscados por los coleccionistas.

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Frequently Asked Questions

What is Pyrargyrite?
La pirargirita, o rubí de plata oscuro, es un sulfosal de plata de color rojo rubí intenso a negro con un lustre adamantino a metálico y notable transparencia en fragmentos delgados. Se halla en venas hidrotermales de plata junto a otros minerales de plata y ha sido un importante mineral mena de pla
What is the hardness of Pyrargyrite?
Pyrargyrite has a Mohs hardness of 2.5 to 3.0, making it relatively soft for use in jewelry.
What color is Pyrargyrite?
Pyrargyrite is primarily Various.
How much does Pyrargyrite cost?
Pyrargyrite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Pyrargyrite?
Pyrargyrite belongs to the Trigonal crystal system.