Minerals

Galena

PbS

Dguendel / CC BY 4.0, via Wikimedia Commons · CC BY 4.0 · Source

Overview

Primary lead ore; cubic cleavage.

Identification characteristics

Mohs hardness 2.5
Streak: Lead-grey
Lustre: Metallic

Formation and occurrence

Hydrothermal veins

Common uses

Lead ore

Physical properties

Chemical formula: PbS
Mineral group: Sulfide
Mineral class: Sulfides
IMA status: grandfathered mineral (G)
Crystal system: Isometric
Mohs hardness: 2.5
Specific gravity: 7.4–7.6
Colour: Lead-grey
Streak: Lead-grey
Lustre: Metallic
Transparency: Opaque

Image credits

Dguendel / CC BY 4.0, via Wikimedia Commons · CC BY 4.0 · Source
Dguendel / CC BY 4.0, via Wikimedia Commons · CC BY 4.0 · Source
Silence-is-infinite / CC BY-SA 4.0, via Wikimedia Commons · CC BY-SA 4.0 · Source
Reinhard Kraasch / CC BY-SA 4.0, via Wikimedia Commons · CC BY-SA 4.0 · Source
Shu, Zhengxiang and Shen, Can and Lu, Anhuai and Gu, Xiangping / CC BY-SA 4.0, via Wikimedia Commons · CC BY-SA 4.0 · Source
Shu, Zhengxiang and Shen, Can and Lu, Anhuai and Gu, Xiangping / CC BY-SA 4.0, via Wikimedia Commons · CC BY-SA 4.0 · Source
Yongfei Tian, Guowu Li, Ningyue Sun, Min Liu, Jingwen Mao, Yunpeng Dong, Peng Liu, Wei Jian, Wei Yao, Xiuquan Wang, and Huishou Ye / CC BY 4.0, via Wikimedia Commons · CC BY 4.0 · Source
Yongfei Tian, Guowu Li, Ningyue Sun, Min Liu, Jingwen Mao, Yunpeng Dong, Peng Liu, Wei Jian, Wei Yao, Xiuquan Wang, and Huishou Ye / CC BY 4.0, via Wikimedia Commons · CC BY 4.0 · Source

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