蓝宝石（Sapphire）是（除铬含量≥0.1%的红宝石之外）刚玉宝石的通称，主要成分是氧化铝（Al₂O₃）。

Sapphire ... Main sapphire-producing countries Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α- Al 2 O 3) with trace amounts of elements …

(also sapphire blue, / ˌsæf.aɪə ˈbluː / / ˌsæf.aɪr ˈbluː /) bright blue 宝石蓝，天蓝色 (sapphire在剑桥英语-中文（简体）词典的翻译 © Cambridge University Press)

Besides blue sapphire and ruby, the corundum family also includes so-called “fancy sapphires.” They come in violet, green, yellow, orange, pink, purple, and intermediate hues.

Sapphire is a precious gemstone comprised of the mineral corundum and trace elements like iron, titanium, cobalt, boron, or silicon. In this guide, you’ll learn everything you need to know about …

Sapphire, transparent to translucent, natural or synthetic variety of corundum (q.v.; aluminum oxide, Al2O3) that has been highly prized as a gemstone since about 800 bc.

Sapphire is a tough and durable gem, and the only natural gemstone harder than Sapphire is Diamond. Despite this, Sapphire is still subject to chipping and fracture if handled roughly, and …

Exactly as they come out of the ground, sapphire crystals maintain all of their natural beauty, elements of earthy minerals, and as many believe, they carry special energies for healing and …

Dec 4, 2025 · What is a Sapphire Gemstone? A sapphire is a precious gemstone belonging to the corundum mineral family, known for its incredible durability, brilliance, and vibrant colors.

蓝宝石 （英語： sapphire），屬於寶石級 剛玉，為五種 樞要寶石 之一，主要成分是 氧化铝 （Al 2 O 3）。 宝石 级 刚玉 中除红色的 红宝石 之外，其它颜色刚玉宝石通称蓝宝石。