这顶王冠镶有11颗梨形祖母绿宝石、宝石总重量达到500克拉。
It has a row of 11 polished pear-shaped emeralds, totaling 500 carats.
有一天，一只饥饿的知更鸟看见了一条一寸虫，碧绿绿的，像是一小块祖母绿宝石，停在小树枝上，它正要一口吞掉它。
One day a hungry robin saw an inchworm, green as an emerald, sitting on a twig. He was about to gobble him up.
本周(11月28日)馆藏里最珍贵的矿物——包括祖母绿宝石、金和银——会在新的地区的名叫“宝藏”的展览上陈列出来。
This week (Nov 28), the museum's most valuable minerals - including emeralds, gold and silver - will go on display in a new area called the Vault.
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