An Unbiased View of diamond ring
An Unbiased View of diamond ring
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或許有人會想：「我和伴侶是不是一定要買對戒？」但對戒不僅適合即將步入婚姻的伴侶，也非常適合那些在重要時刻希望象徵彼此承諾的人們。無論是訂婚、周年慶或是其他特別的日子，對戒都是紀念彼此關係的完美選擇。對戒不僅僅限於婚姻，更適合作為兩人關係的見證。
The poesy ring was a style of ring that was popular during the Renaissance period. It absolutely was a band of sterling silver inscribed that has a poem or "poesy".[3]
象徵著兩人婚姻關係的對戒，通常戴於無名指上，一個距離心臟最靠近的位置。這是由於古埃及人相信，左手無名指的血液直通心臟，因此左手無名指是最靠近心臟的地方，有「我心已許」的意思，而這就是為什麼結婚對戒戴在無名指上的原因。
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Cathodoluminescence graphic of a diamond, taken in a scanning electron microscope Early diamond identification assessments integrated a scratch exam counting on the superior hardness of diamond. This take a look at is destructive, as a diamond can scratch A further diamond, and isn't used currently. Rather, diamond identification relies on its superior thermal conductivity. Digital thermal probes are broadly used in the gemological centers to independent diamonds from their imitations.
Diagram of a volcanic pipe Geological evidence supports a model in which kimberlite magma rises at 4–20 meters per second, making an upward path by hydraulic fracturing in the rock. Because the strain decreases, a vapor stage exsolves through the magma, which helps you to hold the magma fluid.
Nonetheless, when diamond surfaces are chemically modified with specific ions, they are expected to become so hydrophilic that they can stabilize multiple layers of drinking water ice at human human body temperature.[forty eight]
Eventually, the very best destination to obtain an engagement ring is where by yow will discover a ring that matches your funds and magnificence, and where 求婚戒指 you experience at ease and assured in the standard and ethics of the purchase.
然而，鑽石的價格非由產地決定，而影響天然鑽石價格的最重要因素，是鑽石本身的質量。現時，大多珠寶商會以全球認可的鑽石4C標準的分級等級去決定一顆鑽石的價錢。鑽石的4C標準由美國寶石研究院（GIA）創辦人所制定，這標準為每顆鑽石提供了一套客觀、一致的鑽石鑑定準則，能作為顧客購買鑽石時參考的基本信息。而為了保障消費者，並讓他們能安心購買天然鑽石，六福珠寶更推出了比4C標準更嚴謹的5C標準，讓消費者可輕鬆選購心儀的天然鑽石。
碳有數種已知的同素異形體：不定形碳 ，碳奈米泡沫 ，金剛石，藍絲黛爾石 ，蠟石 ，聚合鑽石奈米棒 ，環碳石墨烯、石墨和富勒烯。在熱力學上，金剛石的穩定性低於石墨，可自發轉變為石墨，但常溫常壓下這一轉變的速度很慢，可以忽略不計，因此鑽石得以穩定存在。自然界形成的金剛石一般形成於地球內部高溫高壓的環境，後來被火山噴發等地殼構造運動帶到地表，因此許多金剛石發現在火山附近。現代工業可在高溫高壓下生產金剛石，稱為「合成金剛石」。
The quantity you commit on an engagement ring is a private choice That ought to consider your funds and priorities into consideration.
[29] As a result, While it would be probable to scratch some diamonds with other supplies, for instance boron nitride, the hardest diamonds can only be scratched by other diamonds and nanocrystalline diamond aggregates.