硬蛇紋石 的英文怎麼說
中文拼音 [yìngshéwéndàn]
硬蛇紋石
英文
baltimorite-
Xiuyan topaz is the serpentine jade, the hardness is lower than the nephrite
岫巖黃玉為蛇紋石玉,硬度比和田玉低。Whether such as regard nephrite toughness as 1000, other mineral or toughness of rock. the jadeite emerald is 500 ; serpentine 250 grade
如以軟玉韌性為1000 ,其它礦物或巖石的韌性相對為:硬玉翡翠500蛇紋石250等。
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