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

浓红银矿(深红银矿)是一种深红宝石色至黑色的硫盐矿物,具有强金刚至金属光泽,在薄切片中透光呈鲜艳的红色。浓红银矿产于热液银矿脉中,是重要的银矿石,与淡红银矿并称「红宝石银矿」(Ruby Silver)。浓红银矿对光同样敏感,长期暴露于强光下会转变为暗色银和辉银矿,收藏品需避光保存于暗盒中。宝石级刻面浓红银矿极为罕见且价值极高,折射率约2.88至3.08,摩氏硬度约2.5,质地极软。重要产地包括玻利维亚(波托西,历史上最重要的来源)、墨西哥(萨卡特卡斯、瓜纳华托)、智利、德国(弗莱贝格)和罗马尼亚(布拉德矿)。

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Frequently Asked Questions

What is Pyrargyrite?
浓红银矿(深红银矿)是一种深红宝石色至黑色的硫盐矿物,具有强金刚至金属光泽,在薄切片中透光呈鲜艳的红色。浓红银矿产于热液银矿脉中,是重要的银矿石,与淡红银矿并称「红宝石银矿」(Ruby Silver)。浓红银矿对光同样敏感,长期暴露于强光下会转变为暗色银和辉银矿,收藏品需避光保存于暗盒中。宝石级刻面浓红银矿极为罕见且价值极高,折射率约2.88至3.08,摩氏硬度约2.5,质地极软。重要产地包括玻利维亚(波托西,历史上最重要的来源)、墨西哥(萨卡特卡斯、瓜纳华托)、智利、德国(弗莱贝格)和罗马尼亚(布拉德矿)。
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.