Proustite
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Physical & Optical Properties
Category
Collector Gems
Mohs Hardness
2.5
Specific Gravity
5.51 – 5.64
Refractive Index
2.792 – 3.087
Crystal System
Trigonal
Luster
Adamantine
Cleavage
Distinct
Fracture
Uneven,Conchoidal
Color
various
Birefringence
0.295
Pleochroism
Strong
Mohs Hardness
| Mohs | Reference mineral | Proustite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Proustite
Links may earn a commission at no extra cost to you.
About Proustite
淡红银矿（深红银矿）是一种含银砷硫化物矿物，以其醒目的深红至朱红色和金刚石光泽著称，是银矿床中最美丽的银矿石之一。淡红银矿常与辉银矿、硫锑银矿（浓红银矿）共生于银矿床的原生矿化带中，在光照下颜色会逐渐变暗，需在黑暗条件下保存。以法国化学家约瑟夫-路易·普鲁斯特（J.-L. Proust）命名。尽管晶体极为美丽，但因硬度极低（莫氏2-2.5）和光敏性，宝石切割几乎不可行，主要作为高档矿物标本为收藏家珍藏，德国弗赖贝格和智利科皮亚波的产品尤为著名。
On this page
Jewelry Use
Durability
1/10
Science FYI Family
Frequently Asked Questions
What is Proustite?
淡红银矿（深红银矿）是一种含银砷硫化物矿物，以其醒目的深红至朱红色和金刚石光泽著称，是银矿床中最美丽的银矿石之一。淡红银矿常与辉银矿、硫锑银矿（浓红银矿）共生于银矿床的原生矿化带中，在光照下颜色会逐渐变暗，需在黑暗条件下保存。以法国化学家约瑟夫-路易·普鲁斯特（J.-L. Proust）命名。尽管晶体极为美丽，但因硬度极低（莫氏2-2.5）和光敏性，宝石切割几乎不可行，主要作为高档矿物标本为收藏家珍藏，德国弗赖贝格和智利科皮亚波的产品尤为著名。
What is the hardness of Proustite?
Proustite has a Mohs hardness of 2.5, making it relatively soft for use in jewelry.
What color is Proustite?
Proustite is primarily Various.
How much does Proustite cost?
Proustite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Proustite?
Proustite belongs to the Trigonal crystal system.