Conglomerate

Rock

About it

Rock of rounded pebbles and cobbles over 2 mm across, set in finer sand or cement. The rounded clasts show long transport by rivers or waves, which tells it apart from breccia.

Type
Rock (sedimentary)
Group
Sedimentary (clastic)
Colours
multicoloured, grey, brown, red
Transparency
opaque

Typical values: real specimens vary. For more, see mindat.org.