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rubin
The red form of the mineral, corundum. Along with sapphires, rubies are the second hardest minerals, (diamonds are the hardest). Rubies serve as the birthstone of July and the traditional gift for the 15th and 40th wedding anniversaries.
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- 行业/领域： 珠宝
- 类别 普通珠宝
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tru i vogël
The portion of the brain in the back of the head between the cerebrum and the brain stem.
