science Rock Cycle - When picking rocks for hardscapes use Metamorphic rock, especially with water (so it doesn't leach anything into water) also important to know what type of rockscape animals may have evolved in.
It’s technically a pallasitic meteorite, and the green-yellow transparent minerals are called olivine, which composes most of the upper mantle of the Earth. The metallic parts are an iron-nickel alloy.
This is a very, very large concretion in Bosnia. Concretions are formed when minerals are precipitated in the pore spaces between grains of sedimentary rock. ARE YOU SAYING THIS IS A FRIGGEN GIANT GEOD !