Systematic Collection: 400 rocks (60x90 mm)

Only in german language available

100 rocksarranged stratigraphicallySpecimen: 60x90 mmsorted in System-bloc collector's boxes, wooden case not includedTypical rocks from all geological formations reveal the evolutionary history of our planet. They document periods of increased volcanic or tectonic activity, extensive marine environments or large landmasses, climatic changes, and how life spread across Earth.Each specimen is labeled with its exact name, age, and locality. A System-bloc film covering each label prevents dirt or scratches.The rocks are numbered so that they can be easily re-sorted if a specimen is removed.Our collections are handcrafted in-house.Please note that rocks are natural products and no two pieces will ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the actual specimen.Our images are for reference only; when you purchase a collection, you will receive one of equivalent quality.

10 fossilsin plastic caseSmall inexpensive fossil collection. This was designed especially for children of elementary school age. Together with a colored Din A4 board, which gives an overview of the history of the earth in relation to the 10 fossils, the collection is an ideal introduction to fossil science.

20 rock specimensSpecimen size: 20x20 mmsupplied in a compartmentalized plastic case This collection was created to illustrate basic petrographic concepts.  It features twenty typical examples of igneous, sedimentary, and metamorphic rocks. Distributing several collections among the students creates ideal conditions for engaging petrography lessons. The specimens are numbered according to an explanatory list of contents.Our collections are handcrafted at Dr. F. Krantz in Bonn. Please note that rocks are natural products and no two specimens are ever exactly alike.Colors in product photos may vary slightly from those of the actual specimen due to technical reasons. Our images are provided as reference; upon purchase you will receive one collection of equivalent quality.