calcite /ˈkælsaɪt/ calcita: Calcite is a widely distributed mineral known for the beautiful development and great variety of its crystals.

cuprite /ˈkjuːpraɪt/ cuprita: Cuprite is dark red or brownish-black in colour.

feldspar /ˈfeldspɑː/ (also felspar) feldespato: Feldspar is the most abundant mineral on Earth.

graphite /ˈgræfaɪt/ grafito: A pencil is made of graphite.

hematite /ˈhiːmətaɪt, ˈhemə-/ hematites: Hematite is an iron-rich mineral that can form in liquid water.

malachite /ˈmæləkaɪt/ malaquita: He brought home a malachite paperweight from East Africa.

mica /ˈmaɪkə/ mica: fragments of pottery with a high mica content

pyrites /paɪˈraɪtiːz/ (also iron pyrites / pyrite ˈpaɪraɪt) pirita: Locally quarried limestone was found to be embedded with iron pyrites.

quartz /ˈkwɔːts/ cuarzo: Quartz is the second most abundant mineral in the Earth's crust after feldspar. Many varieties of this mineral are gemstones.

sulphur /ˈsʌlfə/ azufre: sulphur dust