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鑽石是如何開采的

Updated on 27 5 月, 2024

With over 40 years of expertise, Diamond Registry’s CEO and owner, Nissan Perla, is your trusted guide in the diamond-buying world. Recognized by prestigious publications like The Washington Post and Chicago Tribune, Nissan’s extensive knowledge and experience in evaluating, buying, and selling diamonds are unparalleled. Our commitment to integrity, transparency, and delivering exceptional value ensures that you make an informed decision when acquiring your timeless treasure. Choose Diamond Registry for personalized guidance, education, and a curated selection of the finest quality diamonds, backed by decades of industry expertise and dedication to your satisfaction.

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Published on 23 4 月, 2024
Updated on 27 5 月, 2024

What makes us your trusted partner

With over 40 years of expertise, Diamond Registry’s CEO and owner, Nissan Perla, is your trusted guide in the diamond-buying world. Recognized by prestigious publications like The Washington Post and Chicago Tribune, Nissan’s extensive knowledge and experience in evaluating, buying, and selling diamonds are unparalleled. Our commitment to integrity, transparency, and delivering exceptional value ensures that you make an informed decision when acquiring your timeless treasure. Choose Diamond Registry for personalized guidance, education, and a curated selection of the finest quality diamonds, backed by decades of industry expertise and dedication to your satisfaction.

您的鑽石之旅始於 10 億年前,位於地殼深處,深度達 100 英里。壓力如此之高,是海平面的 45,000 倍,以至於碳原子凝結成鑽石,這是地球上最堅硬的物質。金伯利岩是一種含有鑽石的火成岩,它被稱為金伯利岩噴發的一種特殊形式的火山爆發拉近了地球表面,這種火山爆發發生在大約 1 億年前。金伯利岩是一種常見於金伯利岩管中的礦物,金伯利岩管是地殼中的垂直結構。金伯利岩以三種不同的方式開採鑽石:沖積開採、管道開采和海洋開採。毫不奇怪,鑽石之所以稀缺,是因為它們穿越地殼的艱辛之旅。要發現一克拉鑽石,礦工平均必須移動 250 噸土壤。一輛倫敦雙層巴士可以裝下曾經開採過的所有寶石級鑽石。

沖積鑽石開採

發生在河床和海灘,數千年來,風、雨和水流等自然力將鑽石從最初在金伯利岩管道中的沉積物沖刷到海灘和河床。為了暴露含鑽石的干河或海床,礦工們建造障礙物或改道河流。工人們首先在原來的位置篩選沙子,但這個過程進展很快,沙子被轉移到篩選設施進行更有效的處理。金伯利岩的毛坯鑽石通過河流和溪流向下游運輸。這些鑽石經常在其他材料的礫石層中發現,例如泥漿、粘土和海洋生物。工業沖積法需要在一個地方建造一堵巨大的牆來收集水,在那裡收集礫石,將其帶到地表並進行處理。

海洋採礦

涉及使用特殊的採礦船從海底採集鑽石。垂直鑽石開採使用巨大的船載鑽機來挖掘含鑽石的礫石,而水平海洋鑽石開採使用履帶式通過柔性管道將礫石從海底吸到地面。納米比亞的 Namdeb 是世界上最大的鑽石開採公司。或者,他們使用安裝在船上的巨大鑽頭來提取鑽石。納米比亞的海岸是已知最豐富的海洋鑽石資源來源,約佔該國鑽石總產量的 64%。雖然最古老的海洋鑽石開採類型需要游泳者從淺底收集鵝卵石,但目前的技術已經使水平和垂直海洋開採能夠達到更深的深度。

管道開採

管道開採有兩種類型:露天開采和地下開採。

直接從金伯利岩管中回收鑽石的最常用方法是露天金剛石管開採。爆破使含金剛石的岩石鬆動,然後將其裝載到 300 噸的大型卡車上並運送到鑽石加工廠。在靠近地球表面的露天鑽石開採中,礦工們在金伯利岩上方提取沙子和岩石層。爆破用於破碎坑中的礦石。礦石被破碎後,被裝載並轉移到初級礦石破碎機,在那裡可以開始鑽石提取過程。由於大多數露天鑽石礦位於偏遠地區,因此它們的運營成本極高:所有工人都必須空運、安置和餵養。最大的露天鑽石礦是博茨瓦納的 Jwaneng 礦和俄羅斯的 Jubilee 礦。

另一方面,地下採礦需要建造兩條平行且垂直連接的隧道,工人將金伯利岩管中的礦石爆破到頂部隧道,然後掉落並堆積在底部隧道中。為了到達金伯利岩管道,礦工們必須鑽進地殼。隧道建在兩層上,一層在另一層之上,漏斗將兩者連接起來。爆破礦石從頂層開始,通過漏斗落下並聚集在第二條隧道。破碎的礦石由裝載機收集並帶回地面進行加工。

獎金!

借助 Diamond Registry 的綜合方法和廣泛的全球行業聯繫,輕鬆銷售您的鑽石,幫助您快速為您的鑽石找到最佳買家。訪問 www.diamondregistry.com/sell-your-ring 邁出快速、簡單、可靠的鑽石銷售方式的第一步。

想立即檢查和計算每克拉鑽石嗎?前往 DR 的鑽石價格計算器 www.diamondregistry.com/diamond-price-list/#calc-move-to 了解如何。從此成為鑽石行業可靠且值得信賴的克拉計算器!

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Client Reviews

Rebecca Schott
Rebecca Schott
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Nissan, David and his team were extremely accommodating, understanding and patient with our purchase. They took the upmost care to find the best solution for our needs and went above and beyond normal ‘customer service’ standards. I have absolutely no qualms recommending their products and services. Both were absolutely flawless. I will continue to sing them praises and will most definitely purchase from them again in the future. Thank you again!
Gershom Menachem
Gershom Menachem
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Great team of diamond experts who show personal care for the client’s needs and aftersales service. They really go the extra mile to make it happen no matter the challenges ahead. Rush orders, international shipping, upgrade service, jewelry repair, large diamonds, small items, precious stones. Very honest and open information to the clients. You will feel like talking to a friend.
Thom P.
Thom P.
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Bought a beautiful stone here for an engagement ring. I was a little apprehensive since you’re buying something unseen. But Cid made it easy. In fact, Nissan, the owner also gave a call to make me more comfortable. They sent me the stone to take to a local jeweler with only my Amex in case I bailed on them.
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