【精选推荐】陨石鉴赏指南

发表时间: 2022-12-30 20:03

外表有指捏纹气印,有一层黑色或深褐色熔壳,这是新鲜坠落陨石最典型特征。而陨石坠落后,如果长期没被发现或没被保护,会受到氧化、风化影响使他们的外表特征发生变化,并且不同类别的陨石,其所含矿物结构特征不同,变化也不同,所体现出的颜色也会有差异。

The surface of the pinnix airprint, a layer of black or dark brown molten shell, is the most typical features of fresh falling meteorites. After a meteorite falls, if it has not been discovered or protected for a long time, it will be affected by oxidation and weathering so that their appearance characteristics will change. Moreover, different types of meteorites contain different mineral structure characteristics and changes, and the color reflected will also be different.

一般裂纹较多的陨石,落地后接近裂纹的部分更容易风化;有些陨石落地后熔壳全部脱落,会呈现不一样特征;有些陨石落地后铁氧化明显,会让陨石呈褐黄色或褐红色;还有些陨石所含矿物硅酸盐占比大,如含辉石长石多,又会呈现不同颜色,等等。

Generally, meteorites with more cracks are more likely to be weathered near the cracks after landing. After some meteorites fall to the ground, all the molten shells fall off, will show different characteristics; Some meteorites fall to the ground with iron oxidation, which can make meteorites brownish yellow or maroon. Some meteorites contain a greater proportion of mineral silicates, such as pyroxene feldspar, which appears in different colors, and so on.

陨石大体可分为石质陨石、铁质陨石、石铁混合陨石、玻璃陨石等。传统的陨石交易主要以金属陨石为主,如我国广西南丹的铁陨石、纳米比亚的铁陨石、新疆的富康橄榄石铁陨石等。这些陨石因知名且相对有固定的价值,受到藏友们喜爱。

Meteorites can be roughly divided into stone meteorites, ferrometeorites, stone and iron mixed meteorites, glass meteorites and so on. The traditional meteorite trade is mainly dominated by metal meteorites, such as the iron meteorite from Nandan, Guangxi, Namibia and Fukang, Xinjiang. These meteorites are popular among Tibetans because they are well known and have relatively fixed value.

如文中此这枚陨石,通体成不规矩形状,外表裹着一层氧化层,叫熔壳;表面分布的许多大大小小的圆坑,叫做气印;此外还有形状各异的沟槽,叫做熔沟,并存在十分醒目的熔流线;这些都是由于它们陨落过程中与大气剧烈摩擦燃烧而形成的。在高倍放大镜下观察该石铁陨石,有明显的晶状颗粒,无论从重量还是历史价值和科研价值来说都是稀有的,升值潜力无限,值得收藏

Such as the text of this meteorite, the entire body into irregular shape, the appearance of a layer of oxide coating, called molten shell; Many large and small round pits on the surface are called air prints; In addition, there are grooves of various shapes, called melting trenches, and the presence of highly visible melting lines; These are caused by the intense friction and combustion with the atmosphere as they fall. Viewed under a high magnifying glass, the ferrocene meteorite, with its distinctive crystalline grains, is rare in terms of weight, historical value and scientific value, with unlimited appreciation potential and worth collecting.