Item talk:Q42045
From geokb
Mindat Description
A rock composed predominantly of one or more serpentine group minerals, e
Geoscience Ontology Description
Rock consisting of more than 75 percent serpentine-group minerals, eg. antigorite, chrysotile or lizardite; accessory chlorite, talc and magnetite may be present; derived from hydration of ferromagnesian silicate minerals such as olivine and pyroxene.