Izi ndi mankhwala atsopano a calacatta omwe adakhazikitsidwa chaka chino, omwe ndi otchuka kwambiri ku Ulaya.Pakati pawo, mitsempha yopyapyala yagolide imayenda mu slab.Nambala yachitsanzo ndi 6090 kuchokera ku Horizon Group.Mitsempha yosiyanasiyana yokulirapo yosakhazikika komanso pa slab yonse.Kukula kwa mankhwala 3200 × 1600/1800mm (126 "x63"/70 "), makulidwe 15/18/20/30mm, ndipo akhoza makonda ndi kufunika kwapadera.Chida ichi chimakhala ndi kukana kwamphamvu kwambiri.Zinthuzi ndizosavuta kukanda ngati nsangalabwi, miyala yamchere, agate, slate, ndi zina zotero. Zinthuzi sizimamva bwino kwambiri ndi zidulo.Mukakumana ndi zinthu za acidic monga mandimu kapena phwetekere, sizingawonongedwe ndi asidi kapena kutaya kukongola kwake.