上(shang)(shang)水石(shi)(shi)(shi)的實質是碳酸鈣苔蘚植物化(hua)石(shi)(shi)(shi),暄而又脆,良好的吸(xi)水石(shi)(shi)(shi)吸(xi)水性特別強。上(shang)(shang)水石(shi)(shi)(shi)由(you)于(yu)(yu)暄而脆易于(yu)(yu)造型,可隨意鑿槽、鉆洞(dong)、雕刻出各(ge)式各(ge)樣的形狀。上(shang)(shang)水石(shi)(shi)(shi)天然洞(dong)穴(xue)(xue)很多,有的互(hu)相(xiang)穿連通氣,小的洞(dong)穴(xue)(xue)如氣孔,這就是吸(xi)水性強的主要原因。在上(shang)(shang)水石(shi)(shi)(shi)上(shang)(shang)的洞(dong)穴(xue)(xue)中,填上(shang)(shang)泥土可植花草,大的洞(dong)穴(xue)(xue)可栽樹(shu)木,由(you)于(yu)(yu)石(shi)(shi)(shi)體吸(xi)水性強,植物生長茂盛,開花鮮艷。上(shang)(shang)水石(shi)(shi)(shi)可以散(san)發濕氣,用它造假山或盆景,都(dou)有濕潤環(huan)境(jing)的作用。
上水(shui)(shui)石(shi)(shi)又稱吸(xi)水(shui)(shui)石(shi)(shi),盆(pen)中蓄水(shui)(shui)后(hou),頃刻(ke)可吸(xi)到頂端。石(shi)(shi)上可栽植野草、蘚(xian)苔,青翠蒼潤,為(wei)制作(zuo)盆(pen)景的佳石(shi)(shi)。 沙積石(shi)(shi),暄而(er)脆,但(dan)吸(xi)水(shui)(shui)性(xing)很強;石(shi)(shi)灰(hui)石(shi)(shi)硬度(du)稍高(gao),結構比沙積石(shi)(shi)細密(mi)。上水(shui)(shui)石(shi)(shi)易(yi)于(yu)造型,由于(yu)暄而(er)脆,可隨意(yi)鑿槽、鉆(zhan)洞、雕刻(ke)出心中理想的形象(xiang)。