沙漠铁木手,沙漠铁木是一种生长在美国西南部到墨西哥西北部的索诺兰大沙漠(又称为索诺拉沙漠)中的豆科灌木(小乔木),生长在海拔2500英尺以下,由于沙漠干旱,生长环境恶劣,所以沙漠铁木生长缓慢,需数百年乃至千年方可成大材,其最长寿命可超过2000年。沙漠铁木的木质致密度大,在1.16—1.40克/立方厘米之间(而小叶紫檀的致密度在1.05—1.36克/立方厘米之间),以小叶紫檀为对比,沙漠铁木的木质致密度大于小叶紫檀,也就是说,在含水量相同的前提下(实际木料中沙漠铁木的含水量往往要低于小叶紫檀)同等大小的体积,沙漠铁木要重于小叶紫檀。
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