產品介紹
天然花(hua)(hua)崗石(shi)是火(huo)成(cheng)(cheng)巖,也叫酸性(xing)結(jie)(jie)晶(jing)(jing)深成(cheng)(cheng)巖,是火(huo)成(cheng)(cheng)巖中分布.廣(guang)的一種(zhong)巖石(shi),屬(shu)于(yu)(yu)硬石(shi)材,由(you)(you)長石(shi)、石(shi)英和云(yun)母(mu)組成(cheng)(cheng),其成(cheng)(cheng)分以 二氧化硅為(wei)主,約占60%-75%。巖質(zhi)堅硬密(mi)實,按其結(jie)(jie)晶(jing)(jing)顆粒大小(xiao)可(ke)分為(wei)"偉晶(jing)(jing)"、"粗晶(jing)(jing)"和"細晶(jing)(jing)"三種(zhong)。花(hua)(hua)崗石(shi)的品質(zhi)決定于(yu)(yu)礦物成(cheng)(cheng)分和結(jie)(jie)構。品質(zhi)優良(liang)的花(hua)(hua)崗石(shi),結(jie)(jie)晶(jing)(jing)顆粒細而均勻,云(yun)母(mu)含(han)量少而石(shi)英較(jiao)多,并且不含(han)有黃鐵礦。花(hua)(hua)崗石(shi)不易風化變(bian)質(zhi),外觀(guan)色澤可(ke)保持百年以上,因(yin)此多用于(yu)(yu)墻基礎和外墻飾面。由(you)(you)于(yu)(yu)花(hua)(hua)崗石(shi)硬度較(jiao)高(gao)、耐磨,所以也常用于(yu)(yu)高(gao)級(ji)建筑裝修工(gong)程。
建筑裝修工程(cheng)上(shang)所指的(de)(de)(de)花(hua)(hua)崗(gang)(gang)石(shi)(shi)是以花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)為代表(biao)的(de)(de)(de)一(yi)類裝飾石(shi)(shi)材,包括各類以石(shi)(shi)英、長石(shi)(shi)為主要(yao)的(de)(de)(de)組(zu)成(cheng)礦(kuang)物,并含有少量的(de)(de)(de)云(yun)母和暗(an)色礦(kuang)物的(de)(de)(de)巖(yan)(yan)(yan)(yan)(yan)漿巖(yan)(yan)(yan)(yan)(yan)和花(hua)(hua)崗(gang)(gang)質的(de)(de)(de)變質巖(yan)(yan)(yan)(yan)(yan),如花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)、輝(hui)綠巖(yan)(yan)(yan)(yan)(yan)、輝(hui)長巖(yan)(yan)(yan)(yan)(yan)、玄(xuan)武巖(yan)(yan)(yan)(yan)(yan)、橄欖巖(yan)(yan)(yan)(yan)(yan)等。從外觀特征上(shang)看,花(hua)(hua)崗(gang)(gang)石(shi)(shi)常呈整(zheng)體均粒(li)狀(zhuang)結構,稱為花(hua)(hua)崗(gang)(gang)結構。
花崗石的特性:
花崗(gang)石(shi)構造(zao)致密(mi)、強度高、密(mi)度大(da)、吸水(shui)率極低、質地堅硬(ying)、耐磨,屬酸(suan)性硬(ying)石(shi)材(cai)。