The origin of most pyrope is in ultramafic rocks, typically peridotite from the Earth's mantle: these mantle-derived peridotites can be attributed both to igneous and metamorphic processes.
Umsuka we-pyrope iningi usemadwala e-ultramafic, ngokuvamile abe yi-peridotite evela engubeni yoMhlaba: lezi zinhlaka ezakhiwe ngengubo zingabikwa kuzo zombili izinqubo ze-igneous kanye ne-metamorphic.