淡红银矿

{{infobox mineral
| name = 淡红银矿
| category = 硫盐矿物
| boxwidth =
| boxbgcolor =
| image = Proustite (long prismatic crystal) - Chanarcillo, Copiapo Province, Atacama Region, Chile.jpg
| imagesize =
| alt =
| caption = 淡红银矿晶体，高4 cm，产于智利科皮亞波省查納西約
| formula = Ag3AsS3
| molweight =
| strunz = 2.GA.05
硫代亚砷酸盐
| dana = 03.04.01.01
淡红银矿组
| system = 六方晶系
| class = 六角锥 (m)
H-M Symbol: ( 2/m)
| symmetry = Rc
| unit cell = a = 10.79 Å, c = 8.69 Å; Z = 6
| color = 猩红色，朱红色
| habit = 棱柱体和偏三角面体，大块，紧凑
| twinning = 普遍
| cleavage = {101}面完全
| fracture = 贝壳状，不均匀
| tenacity = 脆
| mohs = 2 – 2.5
| luster = 金刚
| streak = 朱红色
| diaphaneity = 半透明，光照变暗
| gravity = 5.57 实验值, 5.625 计算值
| density =
| polish =
| opticalprop = 等轴 (-)
| refractive = nω = 3.087 - 3.088 nε = 2.792
| birefringence = δ = 0.295 - 0.296
| pleochroism = 中等。胭脂红至血红
| 2V =
| dispersion =
| extinction =
| length fast/slow =
| fluorescence=
| absorption =
| melt =
| fusibility =
| diagnostic =
| solubility =
| other =
| alteration =
| references =
}}
淡红银矿（）是一种含银、砷的硫盐矿物，组成为Ag3AsS3，是一种重要的银矿石。与浓红银矿但罕见共生。

结构
淡红银矿的晶体结构可视作银离子Ag+与硫代亚砷酸根[AsS3]3−组成。下图中紫色为砷，黄色为硫，灰色为银原子。

参见

• 以人名命名的矿物列表

参考资料