Collection of rock-forming minerals

Non-metallic dark-coloured minerals:

Olivine (xenolith in basalt)

Pyroxene (augite)

Amphibole (hornblende)

Garnet

Biotite

Non-metallic light-coloured minerals:

Muscovite

Plagioclase

K-feldspar (Orthoclase)

Quartz: white quartz and purple quartz (amathyst)

Calcite

Metallic minerals:

Magnetite

Chalcopyrite

Galena

Pyrite