白碲金银矿(英语:Krennerite)是一种正交的碲化金矿物,该矿物中可能含有一定量的银,其结构式为Au1-xAgxTe2(x=0−0.2)。其它金银碲化物矿物,如碲金矿英语calaverite针碲金银矿是单斜晶系的,而白碲金银矿是正交晶系的。

Quick Facts 白碲金银矿, 基本资料 ...
白碲金银矿
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Krennerite in a quartz vein, Cresson Mine, Cripple Creek, Colorado
基本资料
类别碲化物矿物
化学式AuTe2 to Au3AgTe8
施特龙茨分类2.EA.15
晶体分类Pyramidal (mm2)
晶体空间群Orthorhombic
H-M记号: (mm2)
空间群: Pma2
性质
颜色银白色至黄铜色,或乳白色(抛光)
晶体惯态Massive to crystalline with short striated prismatic crystals
晶系Orthorhombic
解理Perfect on {001}
断口Subconchoidal - uneven
韧性/脆性Brittle
莫氏硬度2.5
光泽高度金属性
条痕绿灰色
透明性opaque
比重8.62
光学性质Anisotrophism strong
折射率Opaque
多色性weak
发光性None
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