Galena

PbS

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Galena is the principal ore of lead and one of the most widely distributed sulfide minerals. It commonly occurs with sphalerite, calcite, and fluorite. Its perfect cubic cleavage and high specific gravity make it easily identifiable.

晶系	Cubic (Isometric)
矿物分类	02 Sulfides and Sulfosalts
莫氏硬度	2.5-2.8
比重	7.40-7.60
颜色	Lead-gray
光泽	Metallic
条痕色	Lead-gray
解理	Perfect cubic {001}
断口	Subconchoidal
透明度	Opaque
晶体习性	Cubic, octahedral