Quartzite y'umweru yo mu nyanja irabagirana ku giciro cyiza yo gukoresha mu gikoni

Ibisobanuro bigufi:

Quartzite y'amapera yo mu nyanja ni ubwoko bw'amabuye meza ya quartzite, afite ubwiza budasanzwe kandi aramba. Izina ryayo rikomoka ku ibara ryayo ryihariye ry'umweru n'imiterere ya kera. Ibara nyamukuru ni umweru, ibara ryo hasi ni umukara, cyangwa umurongo w'ikijuju uba ukozwe, kandi buri bwoko bw'umurongo bufite imiterere yihariye. Ibara ryayo ni ryiza cyane, kandi igaragaza ubwiza busanzwe kandi bugezweho. Quartzite y'amapera yo mu nyanja ikoreshwa mu gushushanya imitako y'imbere, kandi ahantu nko hasi, ku rukuta, hejuru y'igikoni no hasi h'icyumba hashushanyijeho imitako yo mu nzu. Ubusanzwe dukurikirana ubwoko butandukanye bw'ibikoresho by'ubwubatsi byiza, bikwiriye ubwoko butandukanye bw'inyubako, amaduka y'inzoga, ahantu h'ubucuruzi, nibindi. Imikorere yuzuye, umwanya wiyongera, ubwiza n'amarangamutima meza, ingaruka nziza z'imikorere. Byongeye kandi, ifite ubukana n'ubudahangarwa nk'ubwa marble yera ya kera, kandi ifite ubukana budasanzwe bwo kwangirika no kwihanganira ikirere, bituma ikoreshwa igihe kirekire.