Mineral 7 graphite 80 certain i am teetering in this

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Mineral 7: Graphite 80% certain I am teetering in this mineral. I know the majority of the properties match. However the identification chart states that there was light bubbling and fizz. I on the other hand did not notice that so I am not 100 % certain this mineral is graphite. Part 3: Summary Write a summary answering the following: What are the four requirements for a material to be classified as a mineral? How do you differentiate between minerals? Briefly summarize the six methods to tell minerals apart. Summarize the major differences between minerals and rocks.
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Appendix C GLG/101 Version 3 5 The four requirements that are needed for something to be classified as a mineral are: naturally occurring solid, formed by inorganic processes, specific chemical composition, and have a crystal structure. When trying to differentiate the difference between minerals you would test the quality and density of light reflected from the mineral, the hardness, the way it tends to break, color, crystal form and habitat and specific gravity. The six methods that are used to tell minerals apart are luster factor, the streak test, determining the specific gravity, hardness test, the cleavage and fracture differences and what it reacts like to acid. Rocks are a collection of different minerals that have intergrown together or are stuck together. Rocks may have several different types of minerals and can sometimes only have one mineral.
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