Collection: 20 metamorphic rocks (60x90 mm)

20 thin sectionsof metamorphic rocks acc. to collection P52 (small stones)  / P55 (bigger stones)Size of the thin section: 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 contents list with locality and exact name is included with each collection, there are thin sections of stones included, like:Contact Rocks (f.e. fritted sandstone, Fruchtschiefer, Chiastolite slate, Hornfels, contact limestone) andCristalline schists (f.e. Gneisses, Granulites, Mica schists, Phyllites, Green- and Blueschists, Talc rocks, Amphibolites & Pyroxenites, Serpentine rocks, Carbonate rocks, like Marble)

20 igneous rocksSpecimen size: 60x90 mmarranged in collection boxesincluding wooden boxOur range of systematic rock collections includes all sizes, from small to large educational collections, providing the foundation for both introductory and advanced petrography courses.This collection includes:Igneous (e.g., pegmatite, granite, granodiorite, syenite, plagioclasites, feldspathic rocks, mafic rocks) and volcanic rocks (e.g., rhyolite, trachyte, latite, basalt, porphyry, selbergite, nephelinite, and pyroclastic rocks).The specimens are provided with labels indicating their exact name, age, and locality. A protective film covers each label to prevent scratching. All of the rocks are numbered so they can be easily re-identified if one is misplaced.The rocks in this collection are delivered in system-bloc collection boxes, which are arranged in a wooden crate.A detailed list of contents is included with each collection.The photo serves as an example; you will receive a collection of equivalent quality.This collection is handcrafted at Krantz in Bonn.

20 sedimentary rocksSpecimens: 60x90 mmarranged in collection boxes, packed in a wooden case.Our range of systematic rock collections includes everything from small to large educational collections, providing the foundation for both introductory and advanced petrography courses.This collection includes:Conglomerates and breccias – Psephites (e.g., quartz conglomerate, breccia)Sandstones – Psammites (e.g., sand, sandstone, quartzite)Silt and clay rocks – Pelites (e.g., clay, oil shale, loess)Carbonate rocks (e.g., limestone, chalk)Sediments (e.g., salt rocks, siliceous sediments such as flint, sedimentary phosphate rocks, residual rocks such as bauxite and coal)The samples are labelled with tags indicating the exact name, age, and locality. A protective film covers each label to prevent scratches. All rocks are numbered so they can be easily re-identified if one is misplaced. The collection is delivered in system-bloc collection boxes arranged inside a wooden crate.A detailed list of contents is included with every collection.The photo is for illustrative purposes only; you will receive a collection of equivalent quality. All of our collections are hand-crafted at the Krantz premises in Bonn.

Only in german language available!