Maonekedwe a silika osayerekezeka omwe amawapangitsa kukhala oyengedwa komanso okongola, mawonekedwe owoneka bwino amalola kuwala kusewera matsenga ake a : subsurface-scatter, chomwe ndi chimodzi mwazifukwa zomwe kuwala kwa onyx woyera koyera kumakhala kosangalatsa komanso kosangalatsa.Mitambo yachisawawa ndi mitsempha yowundana ndi madzi oundana onse ndi umunthu wamtengo wapatali wa onyx woyera.

Zambiri zaukadaulo:

● Dzina: Onikisi Yoyera/Mapala a onykisi oyera

● Mtundu wa Zinthu: Onyx

● Chiyambi: Pakistan

● Mtundu: Woyera ndi chipale chofewa

● Kugwiritsa ntchito: Makauntala, zojambula, zakunja - makoma amkati ndi pansi, akasupe, dziwe ndi khoma, masitepe, mawindo

● Malizitsani: kupukutidwa, kupetedwa, kupukuta chitsamba, kupukuta mchenga

● Makulidwe: 18mm --30mm

● Kuchulukana Kwambiri: 2.7 g/cm³

● Mayamwidwe amadzi: 0.23%

● Compressive Mphamvu: 130Mpa

● Flexural Strength: 11.1Mpa