tetrahedrite
/ˌtɛtrəˈhiːdrʌɪt
/noun [mass noun]
A grey mineral consisting of a sulphide of antimony, iron, and copper, typically occurring as tetrahedral crystals.The ore shoot is mainly in the Molas Formation and is surrounded by a silicified envelope that contains galena, sphalerite, chalcopyrite, tetrahedrite, and pyrite....
- Copper-silver ore, located in the cores of the chimneys, consists primarily of chalcopyrite, tetrahedrite, pyrite, and galena along with electrum and a number of minor silver minerals.
- Hurst observed pyrargyrite partly and completely enclosing polybasite crystals on tetrahedrite.
- archeologist
- archeology
- archeon
- archer
- archerfish
- Archer, Jeffrey
- archery
- arches
- archetypal
- archetypally
- archetype
- archetypical
- archetypically
- arch-fiend
- archicerebellar
- archicerebellum
- archicortical
- archidiaconal
- Archie
- archiepiscopacy
- archiepiscopal
- archiepiscopate
- archil
- Archilochus
- archimandrite