Weight:12.9grams Size：30*23*17MM Westenden pattern: There are three types of meteorites, iron meteorites, stony meteorites and stony-iron meteorites. Among them, the main components of iron meteorites are iron-nickel alloy components, which exist in elemental form. The identification of most iron meteorites only needs to rely on the dimension pattern. The so-called dimensional pattern, the full name of the translation is the Westenden pattern, is the arrangement of the iron and nickel element c