{"product_id":"rough-stone-for-faceting-alexandrite-czochralski-pulled-lab-grown-rods-8mm-5-6ct","title":"刻面用原石 - 亞歷山大石 Czochralski（拉晶法）實驗室培育棒材 8mm 5-6ct","description":"\u003cp\u003e實驗室培育變石\u003cbr\u003e培育方法：柴可拉斯基法\u003cbr\u003e柴可拉斯基法，又稱拉晶法，所培育的變石具有與天然變石相同的物理和化學性質。\u003cbr\u003e柴可拉斯基法的優點：此方法能培育出尺寸更大、淨度更高的晶體，這類晶體在自然界中很少見。與火焰熔融法相比，柴可拉斯基法培育的晶體幾乎沒有氣泡。\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e顏色：冷光下 - 淺\u003cspan\u003e綠色；暖光下 - 淺紅綠色\u003c\/span\u003e\u003cbr\u003e淨度：肉眼無瑕\u003cbr\u003e尺寸：Ø 8mm 長 5.5-7mm\u003cbr\u003e重量：5-6ct\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e化學式　　BeAl2O4\u003cbr\u003e莫氏硬度　　8.5（莫氏）\u003cbr\u003e晶系　　斜方晶系\u003cbr\u003e折射率　　1.745-1.754\u003cbr\u003e比重　　3.5–3.84\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e批發請提供所需數量和尺寸以提出詢問\u003c\/strong\u003e\u003c\/p\u003e","brand":"10%","offers":[{"title":"Default Title","offer_id":50557084827943,"sku":"R922a","price":34.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/7707\/2935\/files\/R922.jpg?v=1760612293","url":"https:\/\/gemtasy.net\/zh\/products\/rough-stone-for-faceting-alexandrite-czochralski-pulled-lab-grown-rods-8mm-5-6ct","provider":"GemTasy","version":"1.0","type":"link"}