Is gold igneous, metamorphic, or sedimentary? Is limestone a metamorphic rock? Is slate a metamorphic rock? Is feldspar a rock or mineral? Is conglomerate a metamorphic rock? Is marble a sedimentary rock? Is slate a metamorphic rock formed from shale?
Is diamond a mineral a rock or neither? Diamond isthe hardest naturally occurring mineral, topping Mohs' Scale of Hardness with a relative hardness value of 10. Diamond is a polymorph of the element carbon, and graphite is another. Why is diamond not a mineral?
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Rocks, substances made of varying minerals and elements, vary in size, shape, and texture. These are classified three different ways. They are either sedimentary, igneous, or metamorphic. Answer and Explanation:1 Granite is an igneous rock. Igneous rock is rock that has formed from magma that...
Which mineral property describes the way a mineral reflects light? What chemical element is cinnabar derived from? What are sulfide minerals used for? How many minerals have been named? Which mineral among the following does not have a metallic luster? a. Pyrite b. Galena c. Graphite d. Dolo...
aAbout one hundred years later graphite, a common mineral occurring as soft, lustrous veins in rocks, was discovered near Borrowdale in northwestern England 大约一百年后石墨,发生作为软,发光泽的静脉的共同的矿物在岩石,在Borrowdale附近在西北英国被发现了 [translate] aMECHANICS, ELECTRONICS: 机械工,电子...
The graphite is pushed aside by crystal growth within a rock that is being metamorphosed. As growth occurs, the particles become concentrated at crystal interfaces. The result can be a cross-shaped pattern within the mineral - similar to the "cross-stone" shown in the accompanying photo. ...
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HardnessSubstance or mineral 0.2–0.3caesium, rubidium 0.5–0.6lithium, sodium, potassium, candle wax 1talc 1.5gallium, strontium, indium, tin, barium, thallium, lead, graphite, ice 2hexagonal boron nitride, calcium, selenium, cadmium, sulfur, tellurium, bismuth, gypsum ...