Poisonous Rocks: Identifying Toxic Minerals
Asbestos
Mg3Si2O5(OH)4
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Danger Type:
- Particulate/ Inhalation
Encounter
Asbestos will be encountered at asbestos mines for commercial use, and may also be found in small amounts at serpentine quarries.
Galena
PbS
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Danger Type:
- Particulate/ Inhalation
- Ingestion
- Handling
Encounter
Galena will be encountered in galena mines, often as cubes. The dirt around them commonly has sulfur and can be smelt when digging, as well as being visibly yellow. Galena is a staple of almost every rock shop as it is affordable, common and incredibly shiny.