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WHAT ARE MINERALS?
WHAT ARE ROCKS?
STARTING YOUR COLLECTION
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Anglesite Apatite Aragonite Barite Basalt batholith beautiful beryl is called bits blue Borax calcite calcium carbon cemented cleavage collection collectors colorless common minerals copper cracks cube cut and polished dark Diamond different colors different kinds earth's surface extrusive feet long feldspar Fluorite forms crystals Garnets gems gemstone Giant crystals gneiss gold granite green grossular growing crystal gypsum halite Hematite igneous rock inside intrusive rocks iron kinds of atoms lava cools layers limestone look magma magnifying glass Mechanical sedimentary rocks melted rock metamorphic rocks mica Mimetite mineral crystals minerals formed minerals on earth MOHS HARDNESS nuggets oceans olivine optical property oxide oxygen atoms Pegmatites perfect crystals pink Proustite Pyrite quartz rock called rocks and minerals rocks are called rocks formed Rutile sand schist sea water sedimentary rocks sediments SILICATES silver single mineral sive rocks squeezed sulfate sulfide sulfur symmetry Tetrahedra tiny Topaz volcano Wulfenite yellow