ʻO ka Agate kahi ʻano microcrystalline o ka silica, ka chalcedony nui, ʻike ʻia e kona maikaʻi o ka palaoa a me ka ʻōlinolino o ke kala.Maʻemaʻe kiʻekiʻe maoli Brazilian agate (97.26% SiO2) wili pōpō media, ʻaʻahu kūʻokoʻa a kūpaʻa i nā waikawa (koe wale ka HF) a me ka solvent, hoʻohana ʻia kēia mau pōpō i nā manawa liʻiliʻi o nā laʻana e pono e wili ʻia me ka ʻole o ka haumia.Loaʻa nā ʻano nui like ʻole o nā pōpō wili agate: 3mm a 30mm.Hoʻohana nui ʻia nā pōpō media wili ma nā kula o Ceramics, Electronics, Light Industry, Medicine, Food, Geology, Chemical Engineering a pēlā aku.