Silver What Is Sterling Silver? Pure silver is relatively soft and malleable, and easily damaged—not well suited for jewelry. To defend against deformation or destruction, silver is combined with other metals to make it more durable. Sterling silver is the most common alloy mix found in jewelry. It must be at least 92.5% 純銀, […]
カテゴリアーカイブ: ジュエリーニュース
蓬莱で産出されるサファイア, 海南省と明渓, 福建省は色が美しく透明度が高い. 粒径が5mm未満の結晶は内部欠陥が少ない, 大きいものには亀裂が多くなりますが、. 黒竜江省で産出されるサファイアは明るく透明度が高い, しかし粒子が細かい. Although some products in Jiangsu Province […]
There are many gemstones that can produce starlight effect in nature. 現在のところ, 以下は 10 kinds of gems known as: サファイア, ルビー, アルマンディン, ベリル, アクアマリン, スピネル, 透輝石, コーディエライト, columnar and enstatite pyroxene. その中で, the starlight effect of sapphire is the most common and the particles are large and eye-catching. Take sapphire, which has […]
(1) The starlight should be obvious, the position should be centered, and there should be no missing rays. (2) The starlight is clear, which makes people feel that it comes from the inside of the gemstone, rather than floating on the surface of the curved (ie egg noodle) 宝石. Because the natural starlight red and […]
According to the gemological point of view, the term sapphire refers specifically to blue corundum gemstones. Other blue gemstones that are not corundum (A1203) components, no matter how cute they are, should not be called “サファイア”. それは呼び出すことができます “blue gem” または “blue XX stone”. 例えば, blue diamond can be called “blue diamond”. […]
In pegmatite, although the crystal has enough space for growth, the possibility of proper pigment ions, especially Cr ions, entering the lattice is very small, while Fe and Ti ions may enter the lattice. そこで, the chance of finding rubies in pegmatite is extremely small, while it is possible to find sapphires. In basalt, there […]
(1) Emerald-emerald green beryl containing chromium, (2) Aquamarine-iron-containing sky blue to sea blue beryl. (3) Golden emerald-golden yellow beryl containing iron, (4) Dark brown emerald-ilmenite beryl with starlight effect. (5) Rose emerald-beryl containing cesium, lithium or manganese. 名前 “エメラルド” comes from the transliteration of Persian Zumurud. 古代の私の国で, it was called “Zumurud” […]
When the ancient Roman scholar Pliny commented on emeralds, 彼は言いました: “Indeed, no gemstone has a more pleasing color, and emeralds always emit a soft and rich brilliance, which makes people never tire of it.” In addition, the production of emeralds in the world is extremely rare (much less than the production of diamonds). According […]
There are four main economic evaluation conditions for emeralds, つまり: ①Color: emerald green and dark green are better, greenish blue and yellowish ones are inferior; ②Transparency: crystal clear, clear and bright is the best, translucent Those who can only be included in the third grade; ③Purity: emeralds are often flawed, pure ones are rare and […]
(1) 複雑な構成: トルマリンは非常に複雑なホウアルミノケイ酸塩鉱物です, 自然界で最も複雑な化学組成を持つ宝石鉱物です。. マグネシウムなどの 1 つまたは複数の元素が含まれる場合があります。, 鉄, リチウム, カリウム, ナトリウム, 等. これらの元素の含有率が異なるため、, トルマリンにはさまざまな色があることがよくあります. のような […]