Nā ʻōpala mika: nā ʻōpala mika maoli, nā ʻāpana mica kala, nā ʻāpana mica synethic.

ʻO Mika kekahi mea nui o ka melange.Loaʻa i nā ʻāpana pōhaku kūlohelohe ka paʻa ʻana o ka waihoʻoluʻu ikaika, ka pale ʻana i ka wai a me ka simulation, a me ke kūpaʻa maikaʻi loa a me ke kū anuanu.ʻAʻole pili i ka wela, palupalu i ke anuanu, momona i ka waihoʻoluʻu, ʻālohilohi i ka waihoʻoluʻu, a ikaika i ka plasticity.He mau hoa maikaʻi loa lākou no ka hana ʻana i ka pena pōhaku maoli a me ka pena granite, a he mau mea hoʻonani hou me nā waiwai ikaika ʻekolu no ka pena pā hale.

Hiki ke hoʻohui a hui pū ʻia nā ʻāpana mica composite me nā pena pōhaku i hoʻopaʻa ʻia i ka wai (nā pena pōhaku maoli) i kekahi ʻāpana, i hiki ke hoʻololi ʻia nā pena pōhaku maoli i nā pena pōhaku kiʻekiʻe (pena);I mea e hoʻokō ai i ka hopena maikaʻi loa o ke ʻano pōhaku granite maoli, e like me ka nui o ka waihoʻoluʻu o ka pōhaku granite maoli, ua hana ʻia nā ʻāpana pōhaku i hana ʻia i mau ʻāpana palupalu a elastic me ka mānoanoa o 0.3 mm, e like me 1-3 mm, 1 -5 mm, 1-8 mm, 1-10 mm, 1-12 mm, a pela aku;

ʻO nā ʻōpala mica composite he mea pono no nā mea hana pena granite (pena).Hiki i nā mea hana pena pōhaku ke koho i ka waihoʻoluʻu kūpono a me ka nui o nā ʻāpana pōhaku i hui pū ʻia e like me ke kala a me ka nui o ka nui o ka pōhaku granite maoli, e hoʻohui iā lākou i loko o ka pena pōhaku maoli e like me kekahi ʻāpana (e like me ka ʻike o kēlā me kēia kala kala i loko. ʻO ka pōhaku pōhaku maoli), a hui like me ka wikiwiki o 5-10 mau minuke e hana i ka pena pōhaku kiʻekiʻe (pena) ma ke kumu o ka pena pōhaku.