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All rocks are made of minerals. What is the hardest minerals on the Mohs hardness scale?? What type of properties are best to identify minerals? Crystalline structure, reaction with acid, hardness, transparency, luster Properties like size, shape, color, mass…can change and don’t help identify The scale ranking minerals from softest to hardest is called? Hard Rock ratings Durability scale Mohs hardness scale Light refraction None of the above Rocks and minerals are used in construction, hygiene products, and decorations When you can see through a mineral sample, but the image is blurry, it is called… translucent transparent opaque glassy brilliant Minerals are inorganic materials found naturally on earth Synthetic minerals are considered real minerals. What profession studies rocks, minerals, and other inorganic parts of the earth How are igneous rocks formed? How are metamorphic rocks formed? How are sedimentary rocks formed? What is an intrusive igneous rock? What is an extrusive igneous rock? What is fracture? What is cleavage? Dull, glassy, and brilliant are all used to describe a mineral’s … Rocks and minerals are renewable resources What are some examples of igneous rocks? What are some examples of metamorphic rocks? What are some examples of sedimentary rocks? The law of superpostion states that older rocks are on the bottom. What is the softest mineral on the Mohs hardness scale? Draw out the rock cycle. What is crystalline structure? What is the difference between magma and lava?