1. These pearls exhibit a silky flame-like structure and a porcellaneous luster that make them very attractive.
   像女王凤凰螺的海螺珠一样，美乐珠以其独特的丝状火焰结构，以及瓷器光泽吸引着人们。
2. With a hardness of approximately 5 and a porcellaneous luster near its lip, the shell exhibits a silky flame structure very similar to the pearl itself.
   硬度大约5左右。开口处附近呈瓷状光泽。贝所显现的丝状火焰纹结构和美乐珠很类似。

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