Amabuye y'agaciro ya Semi afite agaciro keza muburyo butandukanye bwamabara, imiterere, nubunini, bitanga uburyo butandukanye bwo guhitamo imitako nibikorwa byo gushushanya.Ingero zimwe zisanzwe zamabuye yagaciro zirimo amethyst, citrine, garnet, peridot, topaz, turquoise, nibindi byinshi.Buri mabuye y'agaciro afite umwihariko wihariye, nk'ibara, ubukana, no gukorera mu mucyo, bigira uruhare mubwiza bwacyo no kwifuzwa.Kimwe mu byiza byigiciro cyamabuye yagaciro nigiciro cyabyo kandi birashoboka.Ugereranije n'amabuye y'agaciro, igice cyagaciro-amabuye y'agaciro muri rusange birashoboka cyane kuboneka kandi biza ku giciro cyo hasi, gishobora kugera kubantu.Ubu bushobozi butuma abantu batunga kandi bakishimira ibice bitandukanye by'imitako y'amabuye y'agaciro batarangije banki.