綠寶石,字源於拉丁文(Smaragedus),是五月份的生日石,人們相信配戴綠寶石會達致成功,尤其是在愛情。基於美觀,耐用及稀罕三大評定寶石價值的標準,綠寶石被喻為最美麗的綠色透明石。 綠寶石,是六柱石礦物的綠色品種。它通常結晶成為具六角形外貌的柱状晶體。莫氏硬度7～7.5。但是石質的脆性較高。寶石結晶體時常會發現有内在解理紋,此等解理紋的方向是平衡於晶體底部,光澤则屬於玻璃性。由於綠寶石的脆性,人們將綠寶石刻意切割成典型的“綠寶石型”切割方式。此切割是將普通的長方形多層式切割的四角,以額外的切割面,在四個尖角位置予以代替。此切割方法有助於綠寶石在鑲嵌時,可以在避免金屬抓下受壓弄碎。脆性亦影響着綠寶石的清洗法則。無論在任何情况下,一概不能以超聲波清洗器洗净,否則有大量内裂紋會產生。清晰及通透的綠寶石亦會切割打磨成各式各樣的刻面寶石類型。屬於寶石級別的綠寶石,間中亦會被打磨為拱 Emerald, the word originated in Latin (Smaragedus), is the birthstone of May. People believe that wearing emeralds will achieve success, especially in love. Based on the three standards of beauty, durability and rarity, the emerald has been described as the most beautiful green and transparent stone. Emerald, is a green variety of hexagonal stone minerals. It usually crystallizes into a columnar crystal with a hexagonal appearance. Mohs hardness of 7 ~ 7.5. But the stone is more brittle. Gem crystals are often found to have intrinsic cleavage pattern, the direction of these cleavage lines are balanced at the bottom of the crystal, gloss is glassy. Due to the brittleness of emeralds, emeralds have been deliberately cut into the typical “emerald” cut. This cutting is the ordinary rectangular multi-layer cutting corners, with additional cutting surface, at four sharp positions to be replaced. This cutting method helps emerald inlaid, can be in the metal to avoid the pressure to crush. Brittleness also affects the cleaning rule of emeralds. In any case, can not be cleaned with an ultrasonic cleaner, or a large number of internal cracks will arise. Clear and transparent emeralds are also cut and polished into a wide range of faceted gem types. Emeralds belonging to the gem level will also be polished into arches