Platinum铂
![]() PtThese samples of platinum are displayed in the Smithsonian Museum of Natural History. These rare platinum nuggets are about 5 cm across. The left one at 444.4 grams is from Nizhniy Tagil, Urals, Russia. The right one is 536.7 grams and is from Choco, Colombia. 这些铂金属样品陈列在史密森尼自然历史博物馆中。这些稀有的铂块直径约为5厘米。左边的块重444.4克,来自俄罗斯乌拉尔地区的尼日尼-波尔卡。右边的块重536.7克,来自哥伦比亚的乔科。
Mindat: Platinum Mindat: 铂
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