Metamorphic rocks were once another type of rock but have been transformed through high heat and pressure Eisco Labs™ Tech Cut Rock and Mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY Set includes twelve different metamorphic rocks: Anthracite Coal, Biotite Gneiss, Coarse Marble, Fine Marble, Phyllite, White Quartzite, Pink Quartzite, Mica Shist, Red Slate, Green Slate, Gray Slate and Soapstone While each specimen will vary in shape and size, they will measure approximately 1 in
each Test hardness, streak color, magnetic properties, appearance, and effervescence to identify the different specimens in this kit Packaged in a box with substantial protective foam padding to store and preserve specimens Ideal for home schooling or a fun home science activity, and is a great addition to any classroom or geology laboratory Useful for demonstrations in identifying and classifying rocks and minerals, especially for group activities