產品介紹
天然花(hua)崗(gang)(gang)石(shi)(shi)(shi)(shi)是(shi)火成巖(yan)(yan)(yan),也叫酸性(xing)結晶(jing)(jing)深成巖(yan)(yan)(yan),是(shi)火成巖(yan)(yan)(yan)中分布.廣(guang)的(de)一種巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi),屬于(yu)(yu)硬(ying)石(shi)(shi)(shi)(shi)材(cai),由長石(shi)(shi)(shi)(shi)、石(shi)(shi)(shi)(shi)英(ying)和(he)(he)(he)云母組成,其(qi)成分以 二氧化(hua)硅為主,約占60%-75%。巖(yan)(yan)(yan)質(zhi)堅硬(ying)密實(shi),按其(qi)結晶(jing)(jing)顆粒(li)大小可分為"偉晶(jing)(jing)"、"粗(cu)晶(jing)(jing)"和(he)(he)(he)"細晶(jing)(jing)"三種。花(hua)崗(gang)(gang)石(shi)(shi)(shi)(shi)的(de)品質(zhi)決定(ding)于(yu)(yu)礦物成分和(he)(he)(he)結構。品質(zhi)優(you)良的(de)花(hua)崗(gang)(gang)石(shi)(shi)(shi)(shi),結晶(jing)(jing)顆粒(li)細而均(jun)勻(yun),云母含量(liang)少而石(shi)(shi)(shi)(shi)英(ying)較多,并且(qie)不(bu)含有黃鐵礦。花(hua)崗(gang)(gang)石(shi)(shi)(shi)(shi)不(bu)易風化(hua)變(bian)質(zhi),外(wai)觀色(se)澤可保(bao)持百年以上,因此多用(yong)于(yu)(yu)墻基礎(chu)和(he)(he)(he)外(wai)墻飾面。由于(yu)(yu)花(hua)崗(gang)(gang)石(shi)(shi)(shi)(shi)硬(ying)度較高、耐磨,所以也常(chang)用(yong)于(yu)(yu)高級建(jian)筑裝修工程。
建(jian)筑裝(zhuang)(zhuang)修工程(cheng)上(shang)所指的花(hua)(hua)崗(gang)石(shi)是以(yi)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)(yan)為代表的一類裝(zhuang)(zhuang)飾石(shi)材,包括各類以(yi)石(shi)英(ying)、長(chang)石(shi)為主要的組成礦物,并(bing)含有少量的云母(mu)和暗(an)色礦物的巖(yan)(yan)(yan)(yan)漿(jiang)巖(yan)(yan)(yan)(yan)和花(hua)(hua)崗(gang)質的變質巖(yan)(yan)(yan)(yan),如(ru)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)(yan)、輝綠巖(yan)(yan)(yan)(yan)、輝長(chang)巖(yan)(yan)(yan)(yan)、玄(xuan)武巖(yan)(yan)(yan)(yan)、橄欖巖(yan)(yan)(yan)(yan)等。從外(wai)觀特征上(shang)看(kan),花(hua)(hua)崗(gang)石(shi)常呈整體均粒狀結構(gou)(gou),稱為花(hua)(hua)崗(gang)結構(gou)(gou)。
花崗石的特性:
花崗石(shi)構造(zao)致密(mi)、強度(du)高(gao)、密(mi)度(du)大、吸水(shui)率極(ji)低(di)、質地堅硬、耐磨,屬酸性(xing)硬石(shi)材。