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Galena
Title
Galena
Description
Formula
PbS
Structure
Non-silicate
Crystal System
Crystal system: cubic
Physical Properties
Colour in hand specimen: lead grey
Streak: lead grey
Lustre: metallic
Cleavage: one, perfect
Hardness: 2.5
Optical Properties
Colour in plane polarised light: opaque
Relief: high
Mineral Specimens
M412 Quartz (with galena and pyrite)
North Wales
A mass of small hexagonal quartz prisms, with galena, pyrite and zinc blende.
Transparent, white to light grey
Galena: purple-black, shiny, platy habit, metallic
Pyrite: metallic lustre, gold colour, cubic habit, “Fools’ gold”
Mineral Name
galena
Citation
“Galena,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/61.