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nounthe branch of geology that studies minerals: their structure and properties and the ways of distinguishing themtype of:
Definition that contains mineralogy
- twins (mineralogy) two interwoven crystals that are mirror images on each other
- nodule (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment)
- geode (mineralogy) a hollow rock or nodule with the cavity usually lined with crystals
- mineralogist a scientist trained in mineralogy
- asterism (mineralogy) a star-shaped figure with six rays that is seen in some crystal structures under reflected or transmitted light