謝指正,英文是quartz嗎?
所有跟帖:
• 對。 大理石是Marble,成分是CaCO3,是石灰岩經過變質而來的; 石英SiO2比大理石硬,透明度好些,石英的晶體叫水晶,外 -甲城老武- ♂ (74 bytes) () 10/04/2015 postreply 11:44:55
• 對。 大理石是Marble,成分是CaCO3,是石灰岩經過變質而來的; 石英SiO2比大理石硬,透明度好些,石英的晶體叫水晶,外 -甲城老武- ♂ (74 bytes) () 10/04/2015 postreply 11:44:55
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