Titanium Titanium is a unique and strong metal with incredible value for men’s wedding bands. With a solid foundation in the engineering and aerospace industries, titanium has a proven track record as an enduring metal. Our men’s are 99% pure and nickel free for hypoallergenic benefits. Blue Nile titanium is gray-white in color and is easy […]
カテゴリアーカイブ: ジュエリーニュース
Our country’s jewelry industry has a long history and brilliant culture. According to archaeological findings, ancient Chinese ancestors began to use gold to make jewelry in the Shang Dynasty. 例えば, in the mid-Shang tombs of Liujiahe, Pinggu County, 北京, two imitations of golden arm rings and one gold earring were unearthed; in Xishilou Gold […]
According to the traditional psychology and consumption customs of different countries (ethnic groups), ダイヤモンド, ルビー, サファイア, エメラルド, high-quality cat’s eyes, アレキサンドライト, black opals, and extra-grade jade are usually listed as high-grade gemstones. Their prices are extremely expensive, a few per carat. The prices range from thousands to tens of thousands of dollars, and the prices […]
To determine the relative density of gemstones is to use Archimedes’ principle, and a precise balance can be used to determine the quality of gemstones and the buoyancy experienced. 例えば, if a gemstone with unknown name has a mass of 5.2 grams in the air and 3.3 grams in water, its buoyancy is 5.2 […]
ワックスセッティングの効果を測る重要な指標は、宝石の安定性です。. ワックスセッティング後の宝石は変色しません, クラッキング, 欠けやその他の問題. ワックスセッティングの鋳造工程で, 宝石は、高温での焙煎や鋳造時の高温の溶融金属の熱衝撃に耐えなければなりません。, the gems must be able […]
The first situation occurs mainly because some gemstones are not suitable for wax setting casting. Gemstones with developed fissures are likely to change color after being subjected to high temperature and thermal shock. Some gems (アメジストなどの, ブルートパーズ, シトリン, 等) are unstable in color when exposed to heat, so this type of gem […]
Inclusions are the formation of minerals, due to the different internal physical and chemical conditions, the lattice defects caused by another substance are filled, and the resulting form of a material independent of the main mineral itself. Its essential characteristics are: the physical, chemical properties and occurrence form are independent of the carrier mineral, そして […]
現代では, 科学技術が進歩すると, ほとんどの宝石の名前には正確な意味があります. ルビー (英語名ルビー) 赤いコランダム宝石として定義されています. その他の赤い宝石, どんなに明るくて可愛くても, 呼び出すことはできません “ルビー”. 呼び出すことしかできない “レッド○○ストーン”. The evolution of the term […]
しかし, この宝石のペア “姉妹” のようなものではありません “夫と妻私のもの” リアルガーとオーピメント, the “ツインマイン” 方鉛鉱と閃亜鉛鉱はしばしば共存します, しかし、多くの場合、片側に住んでいます. その理由は、両者が異なる環境で形成されたためです。: rubies are mostly produced under geological and geochemical conditions that are high […]
香港と台湾のデータによると, 中国: 国際的な宝飾品市場において, 10カラットを超える高品質のルビーの価格は、最高級のダイヤモンドやエメラルドの2倍以上です. ルビーとサファイアの化学組成は酸化アルミニウムです (AI. 0,), 純粋な場合は無色であるはずです. しかし自然界では, […]