Realgar
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Physical & Optical Properties
Category
Collector Gems
Mohs Hardness
1.5 – 2.0
Specific Gravity
3.56
Refractive Index
2.538 – 2.704
Crystal System
Monoclinic
Luster
Greasy
Cleavage
Good
Color
various
Birefringence
0.166
Pleochroism
Nearly colorless to pale golden yellow
Mohs Hardness
| Mohs | Reference mineral | Realgar |
|---|---|---|
| 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 Realgar
Links may earn a commission at no extra cost to you.
About Realgar
雄黄是一种鲜艳的橙红色砷硫化物矿物，具有蜡状至金刚光泽，常与雌黄共生，产出精美的橙红色晶族。雄黄对光高度敏感，长期暴露于光照下会发生光化学降解，转变为黄色粉末状雌黄（As₂S₃），因此收藏标本须在避光暗盒中保存。雄黄自古就被用作颜料（「龙血」）、医药（中医中的雄黄，但因含砷而具毒性，现代医学已限制使用）和烟火原料。宝石级透明橙红色刻面雄黄极为稀少，摩氏硬度约1.5至2，折射率约2.590至2.611，质脆，主要以矿物标本形式出现。著名产地包括中国（湖南、贵州、云南），以及马其顿北部（阿尔沙尔矿）、罗马尼亚和美国（犹他州、内华达州）。
On this page
Jewelry Use
Durability
1/10
Science FYI Family
Frequently Asked Questions
What is Realgar?
雄黄是一种鲜艳的橙红色砷硫化物矿物，具有蜡状至金刚光泽，常与雌黄共生，产出精美的橙红色晶族。雄黄对光高度敏感，长期暴露于光照下会发生光化学降解，转变为黄色粉末状雌黄（As₂S₃），因此收藏标本须在避光暗盒中保存。雄黄自古就被用作颜料（「龙血」）、医药（中医中的雄黄，但因含砷而具毒性，现代医学已限制使用）和烟火原料。宝石级透明橙红色刻面雄黄极为稀少，摩氏硬度约1.5至2，折射率约2.590至2.611，质脆，主要以矿物标本形式出现。著名产地包括中国（湖南、贵州、云南），以及马其顿北部（阿尔沙尔矿）、罗马尼亚和美国（犹他州、内华达州）。
What is the hardness of Realgar?
Realgar has a Mohs hardness of 1.5 to 2.0, making it relatively soft for use in jewelry.
What color is Realgar?
Realgar is primarily Various.
How much does Realgar cost?
Realgar falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Realgar?
Realgar belongs to the Monoclinic crystal system.