天然花崗石制品根據加工(gong)(gong)方式不同(tong)可分為：1.剁斧(fu)板(ban)材(cai)(cai)(cai)：石材(cai)(cai)(cai)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)經(jing)(jing)手工(gong)(gong)剁斧(fu)加工(gong)(gong)，表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)粗(cu)糙，具有(you)規則的條狀斧(fu)紋。表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)質(zhi)感粗(cu)獷，用于(yu)(yu)防滑(hua)地面(mian)(mian)(mian)(mian)、臺(tai)階、基座等(deng)。2.機刨(bao)板(ban)材(cai)(cai)(cai)：石材(cai)(cai)(cai)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)機械刨(bao)平(ping)(ping)，表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)平(ping)(ping)整(zheng)，有(you)相互(hu)平(ping)(ping)行的刨(bao)切紋，用于(yu)(yu)與剁斧(fu)板(ban)材(cai)(cai)(cai)類似用途，但表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)質(zhi)感比較細膩。3.粗(cu)磨板(ban)材(cai)(cai)(cai)：石材(cai)(cai)(cai)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)經(jing)(jing)過粗(cu)磨，平(ping)(ping)滑(hua)無光澤，主要(yao)用于(yu)(yu)需要(yao)柔光效果(guo)的墻面(mian)(mian)(mian)(mian)、柱面(mian)(mian)(mian)(mian)、臺(tai)階、基座等(deng)。4.磨光板(ban)材(cai)(cai)(cai)：石材(cai)(cai)(cai)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)經(jing)(jing)過精磨和拋光加工(gong)(gong)，表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)平(ping)(ping)整(zheng)光亮，花崗巖晶體結(jie)構紋理清晰，顏色絢麗多彩，用于(yu)(yu)需要(yao)高(gao)光澤平(ping)(ping)滑(hua)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)效果(guo)的墻面(mian)(mian)(mian)(mian)、地面(mian)(mian)(mian)(mian)和柱面(mian)(mian)(mian)(mian)。

“花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)由(you)地(di)殼(ke)中(zhong)各種(zhong)不同成(cheng)(cheng)分的(de)巖(yan)(yan)(yan)(yan)(yan)石部分熔(rong)融固形(xing)成(cheng)(cheng)”，這(zhe)一觀點(dian)揉(rou)合了早期關于花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)起源(yuan)(yuan)的(de)兩種(zhong)不同認(ren)識：即巖(yan)(yan)(yan)(yan)(yan)漿論(認(ren)為花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)來(lai)自巖(yan)(yan)(yan)(yan)(yan)漿的(de)結晶(jing))和(he)變成(cheng)(cheng)論(認(ren)為花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)是(shi)富硅(gui)鋁的(de)沉積(ji)巖(yan)(yan)(yan)(yan)(yan)在干(gan)或含水條件(jian)下(xia)經花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)化(hua)作用(yong)(yong)改造而(er)成(cheng)(cheng))。提出花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)是(shi)地(di)殼(ke)巖(yan)(yan)(yan)(yan)(yan)石經超(chao)變質(深(shen)熔(rong)作用(yong)(yong))的(de)結果，這(zhe)對研(yan)究地(di)殼(ke)的(de)起源(yuan)(yuan)和(he)化(hua)學分異作用(yong)(yong)等(deng)具有重要(yao)意義，因為它們與(yu)特定時期內(nei)地(di)殼(ke)的(de)熱狀態和(he)原(yuan)巖(yan)(yan)(yan)(yan)(yan)的(de)成(cheng)(cheng)分有關，包(bao)括可(ke)以產生多少花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)漿、花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)形(xing)成(cheng)(cheng)時的(de)溫度(du)和(he)水的(de)數量和(he)來(lai)源(yuan)(yuan)、構造背景(jing)和(he)板塊作用(yong)(yong)過程等(deng)等(deng)。

芝麻(ma)白花(hua)崗(gang)(gang)巖3個特性(xing)：1、耐火性(xing)：芝麻(ma)白花(hua)崗(gang)(gang)石(shi)：在60℃時因組(zu)成礦物受(shou)(shou)熱(re)不(bu)(bu)均而裂開。2、膨(peng)脹及收(shou)(shou)縮：芝麻(ma)白石(shi)材也是(shi)熱(re)脹冷(leng)縮，但若(ruo)(ruo)受(shou)(shou)熱(re)后再冷(leng)卻，其(qi)收(shou)(shou)縮不(bu)(bu)能回復(fu)至(zhi)原(yuan)來體積，而必保留一(yi)部(bu)份(fen)(fen)成為永l久(jiu)性(xing)膨(peng)脹;美(mei)國兵工廠曾試驗(yan)由(you)0℃至(zhi)100℃，再降到(dao)(dao)0℃，測(ce)出永l久(jiu)膨(peng)脹增加之(zhi)度為0.02一(yi)0. 045%。3、耐凍(dong)性(xing)：到(dao)(dao)攝氏零(ling)下(xia)20時，發生凍(dong)l結，石(shi)庫門廠家，孔隙內水(shui)份(fen)(fen)膨(peng)脹比原(yuan)有(you)體積大(da)1/10，芝麻(ma)白巖石(shi)若(ruo)(ruo)不(bu)(bu)能抵抗此種膨(peng)脹所發生之(zhi)力(li)，便會出現(xian)(xian)破壞現(xian)(xian)象(xiang)。一(yi)般若(ruo)(ruo)吸水(shui)率小(xiao)于0.5%，就(jiu)不(bu)(bu)考慮其(qi)抗凍(dong)性(xing)能。