Nā ʻāpana Mica: nā ʻāpana mica kūlohelohe, nā ʻāpana mica kala, nā ʻāpana mica synethic.

He mea nui ka Mica o ka melange. Loaʻa i nā ʻāpana pōhaku kūlohelohe ka paʻa ʻana o ke kala, ke kūpaʻa wai a me ka hoʻohālike, a me ke kūpaʻa puʻupuʻu maikaʻi loa a me ke kūpaʻa anu. ʻAʻole lākou e pipili i ka wela, palupalu i ke anu, momona i ke kala, ʻālohilohi i ke kala, 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 hoʻonaninani hou me nā waiwai ʻekolu-dimensional ikaika no ka pena paia o loko.

Hiki ke hoʻohui ʻia a kāwili ʻia nā ʻāpana mica composite me nā pena pōhaku wai like ʻole (nā pena pōhaku maoli) ma kahi ʻāpana, i hiki ke hoʻololi ʻia nā pena pōhaku maoli maʻamau i nā pena granite kiʻekiʻe (nā pena); I mea e hoʻokō ai i ka hopena kupaianaha o ke ʻano pōhaku granite maoli, e like me ka nui o ke kala o ka pōhaku granite maoli, hana ʻia nā ʻāpana pōhaku composite i nā pepa 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 pēlā aku;

He mea nui nā ʻāpana mika hui no nā mea hana pena granite (pena). Hiki i nā mea hana pena pōhaku ke koho i ke kala kūpono a me ka nui o nā ʻāpana pōhaku hui e like me ke kala a me ka nui o nā ʻāpana o ka pōhaku granite maoli, e hoʻohui iā lākou i loko o ka pena pōhaku maoli e like me kahi ʻāpana (e like me ka nui o kēlā me kēia ʻāpana kala i loko o ka pōhaku granite maoli), a kāwili like i ka wikiwiki waena o 5-10 mau minuke e hana i ka pena granite kiʻekiʻe (pena) ma ke kumu o ka pena pōhaku.