樓主可以去玻璃上(平放玻璃,玻璃硬度好像5)劃,用力點,應該有劃痕。因為這石頭軟,硬度是4
所有跟帖:
• 巳經送人了,無法再試了。 -Ncdaisy9100- ♀ (0 bytes) () 01/10/2019 postreply 12:43:43
• 巳經送人了,無法再試了。 -Ncdaisy9100- ♀ (0 bytes) () 01/10/2019 postreply 12:43:43
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