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矿业巨擘力拓的铜和钻石业务负责人苏伊拉特周五表示，在运营近40年后，该公司位于西澳的Argyle钻石矿场将于明年底前被关闭。

苏伊拉特表示：“到2020年底我们将停止运营，并将开始修复这座矿场。”

Argyle是世界上最大的钻石矿，每年出产约1400万克拉钻石，占全球总产量的三分之二。其最出名之处在于，全球约90%的粉钻出自这里。

不过，粉钻仅占该矿场总产量的不到0.01%，其产量的四分之三以上由价值较低的褐色钻石组成，平均售价每克拉15至25美元。

大量的廉价和小型钻石侵蚀了几乎每一家矿商的利润，并使该行业的切割商、抛光商和贸易商越来越难以盈利。去年12月，力拓的一些客户拒绝购买更便宜的钻石，而戴比尔斯被迫降低一些价格，并向买家提供让步。

也正因为如此，Argyle矿场的关闭被很多竞争对手认为是一件好事，他们希望这能帮助扭转这一陷入困境的行业。