We thank Lloyd Brown, David Jacobson, and Alfred Ostrander. How to Identify Rocks and Minerals By Jan C. Rasmussen (Revised from a booklet by Susan Celestian) 2012 Donations for reproduction from: Freeport McMoRan Copper & Gold Foundation To identify a rock, three things must be considered: origin, composition, and ; texture. MINERAL IDENTIFICATION KEY by Alan Plante & Donald Peck. Record the rock's sample number on your table. We wish to make this key available to one and all in the hope of correct identification of minerals in collections, rock gardens, and on windowsills everywhere. You may copy it, or any part of it, for non-commercial, personal use. Go on to more detailed pages An Introduction to Metamorphism 2. Before you start, you'll need a rock sample in your hands. THE ROCK KEY Use this key to ask and answer questions on your unknown rock specimens. A Very Simple Key to Metamorphic Rocks. Dirt and debris can make your specimen an entirely different color, shape, and shine. Rock Identification Guide Complete with photos and information about each rock’s distinguishing characteristics, this rock identification guide has been designed to assist you in identifying the rocks provided in the Deeper and Deeper and Mining Matters II kits. By using a simple toothbrush and water, you should be able to clean any dirt and debris off of the specimen. You may copy it, … Simple Identification Key to Common Willows, Cottonwoods, Alder, Birch, and Dogwood of the ... • Winter Key – Green to reddish purple twigs that are covered with a whitish waxy bloom. Return to: A Very Simple Metamorphic Classification Other pages associated with this page: Simple Metamorphic Identification Keys and Charts Hardness and Acid Reaction Tests For Minerals and Rocks. In geology, pictures of rocks can be used to help you best determine which of the three major types a particular rock belongs to: igneous, sedimentary, or metamorphic.. By comparing your rock sample with photographic examples, you can identify key characteristics such as how the rock was formed, what minerals and other materials it contains, and where the rock may have come from. To begin using the rock identification key: 1. Is the rock made of crystal grains? Rock Origin The first step to identify a rock is to try to categorize the rock into one of the three main types or groups of rocks. (Does it have a lot of flat, shiny faces – may be tiny or small - that reflect light like … It's very important that your rock or mineral is clean before you begin any tests. Hand lenses, streak plates and identification information help you find the name of each rock in your new kit. These include igneous, sedimentary or metamorphic types. Waxy substance is found on current and second year stems and will rub off with thumb. 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