隕鐵,稀有金屬隕石Rare metal meteorite,主要成份為鐵、鎳、錳、砷、鉬、鋯、鈮、釕、銠、銀、鎘、銦、錫、銻過度金屬的隕石。主要由鐵紋石和鎳紋石兩種礦物組成,其次含有少量的石墨、隕磷鐵鎳礦、隕硫鉻礦、隕碳鐵、鉻鐵礦和隕硫鐵等。在化學成分上除Ni和Fe外,還含有As、Mo、Mn、Zr、Nb、Ru、Rh、Ag、Cd、In、Sn、和Ir等元素。有少數鐵隕石還含有硅酸鹽包體。稀有金屬隕石的分類主要根據Fe、和Zr、Nb、Ru、Rh、Agr的含量及其構造特征,分為13個群。
Rare metal meteorite, mainly composed of iron, nickel, manganese, arsenic, molybdenum, zirconium, niobium, ruthenium, rhodium, silver, cadmium, indium, tin and antimony. It is mainly composed of two minerals: ferrites and nickel, followed by a small amount of graphite, chondrite, chondrite, chromite and pyrite. In addition to Ni and Fe, there are also as, Mo, Mn, Zr, Nb, Ru, Rh, Ag, CD, in, Sn and IR. A few iron meteorites also contain silicate inclusions. According to the contents of Fe, Zr, Nb, Ru, Rh, agr and their tectonic characteristics, the rare metal meteorites can be divided into 13 groups.
隕石根據其內部的鐵鎳金屬含量高低通常分為三大類:石隕石、鐵隕石、石鐵隕石。稀有金屬隕石。石隕石中的鐵鎳金屬含量小于等于30%;石鐵隕石的鐵鎳金屬含量在30%---65%之間;鐵隕石的鐵鎳金屬含量大于等于95%。鐵隕石中含有90%的鐵,8%的鎳。稀有金屬隕石中含鐵量50%左右,鎳含量2%以內,其他金屬含量豐富。它的外表裹著一層黑色或褐色的1毫米厚的氧化層,外表上還有許多大大小小的圓坑叫做氣印。此外還有形狀各異的溝槽,叫做熔溝。這些都是由于它們有隕落過程中與大氣劇烈摩擦燃燒而形成的。鐵隕石的切面與純鐵一樣,很亮。隕石是大自然散落的美,是無聲的詩,是不朽的畫,是來自宇宙的禮物。它可能比人類史存在更久遠,也可能比地球更古老,是一位有著神秘身份的"尊貴客人"。一般奇珍異石都會引起人們的關注,更何況是如此有魄力的隕石呢,隨著近些年隕石市場的升溫,它更是廣泛備受關注,在市場上價值高漲,極受熱捧。
According to the content of iron and nickel in meteorites, they are usually divided into three categories: meteorites, iron meteorites and iron meteorites. Rare metal meteorites. The content of iron and nickel in meteorites is less than or equal to 30%; the content of iron and nickel in iron meteorites ranges from 30% to 65%; the content of iron and nickel in iron meteorites is greater than or equal to 95%. Iron meteorites contain 90% iron and 8% nickel. Rare metal meteorites contain about 50% iron, less than 2% nickel, and rich in other metals. Its surface is covered with a black or brown 1 mm thick oxide layer, and there are many large and small pits on the surface called air marks. In addition, there are grooves of various shapes, which are called weld grooves. These are due to their severe friction and combustion with the atmosphere in the process of falling. The section of iron meteorite is as bright as pure iron. Meteorite is the beauty scattered by nature, a silent poem, an immortal painting and a gift from the universe. It may be older than human history, or older than the earth. It is a "distinguished guest" with a mysterious identity. In general, rare and exotic stones will attract people's attention. What's more, with the rise of meteorite market in recent years, it has attracted more and more attention. Its value in the market is high and it is very popular.
