宝石净度 -二类宝石净度分级标准 红柱石(Andalusite):所有(All)金绿宝石(Chrysoberyl):亚历山大石(Alexandrite)刚玉(Corundum):所有颜色(All colors),比如蓝宝石(Sapphire)和红宝石(Ruby) 石榴石(Garnet):所有品种和颜色(All s...
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人比起高山大石来,算得了什么?
祝你寿比南山大石头,快乐常相陪,幸福永伴游;
I wish you a happy live as long as the southern mountain rock, often accompany, happiness always escort;
在人工合成亚力山大石流行的今天,内含物是鉴别宝石天然纯度的一个重要标志,有助于我们将天然宝石与人工合成赝品区别开来。
Given the prevalence of synthetic Alexandrite, they are also a fascinating hallmark of authenticity that helps us distinguish real gems from artificial impostors.
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