Basic collection: 20 rocks (60x90 mm)

20 rocksspecimen size: 90 x 120 mmsupplied in System-bloc collection boxes, including wooden case.Our range includes many types of didactic collections suitable as reference material for petrographic courses across all educational levels.This collection is divided into igneous, sedimentary, and metamorphic rocks, which are arranged within these groups according to modern taxonomy. It includes, for example, the following rocks:granites, syenites, plagioclases, mafic rocks, rhyolites, trachytes, basalts, selbergites,tephrites, psephites, psammites, pelites, chemical and organic rocks,such as dolomite, anhydrite, and limestones. It also includes metamorphic rockssuch as marble, gneiss, and mica schist.Each specimen is labeled with its exact name, age, and locality. A System-bloc film is placed over each label to prevent scratches or staining.The rocks are numbered so they can be easily re-identified if one is removed or misplaced.The specimens of this collection are delivered in System-bloc collection boxes, which are arranged in order inside a wooden case. A detailed list of contents is included with each collection.Our collections are all handcrafted at our premises in Bonn.Please note that rocks are natural products and no two pieces ever look exactly alike.Due to technical limitations, colors in product photos may vary slightly from those of the original piece.Our images serve as a reference; when you purchase a collection, you will receive one of equivalent quality.

20 thin sectionsaccompanying the collections of 20 stones P12 (small stones)  / P13 (bigger stones)in wooden caseSize: 28 x 48 mm. The slides are 28 x 48 mm in size and fitted with cover glasses. They are numbered and provided with adhesive labels, which give the exact description as well as the age and the place of discovery. They are delivered in a grooved thin-section case. A detailed list of contents is enclosed with every collection.A detailed contents list with locality and exact name is included with each collection, there are slides from stones included, like: Granites , Syenites, Plagioclase Rocks, Mafites, Rhyolites, Trachytes, Basaltes, Selbergites, Tephrites, Psephites, Psammites, Argillaceous Rocks, Precipitate Rocks, Saline Deposits, Limestones and Coals.

Only in german language available

PE bottle with drip cap (de-icing cap) and label with hazard warning, filled with 10% hydrochloric acid (HCl), suitable for rock identification.PU: 1 bottle, 50 mlAlways wear safety goggles, gloves, and protective clothing!For technical reasons, the colors in product photos may differ slightly from those of the original product.Our images are for reference purposes only; when you purchase, you will receive a product of equivalent quality.