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Question:

How many oxygen atoms are in 2.70 g of quartz?

How many oxygen atoms are in 2.70 g of quartz?

Answer:

Quartz will probably be found in most igneous and metamorphic rocks. Granite is a classic example of a rock with quartz in it. Search for images of granite. Quartz sandstone is another rock practically made entirely up of quartz. Rocks that have any of the mica's (biotite, muscovite, chlorite) will make a rock appear shiny. You can search for schist or phyllite images to see what I'm talking about.
Quartz is found in all three rock types (igneous, metamorphic, sedimentary) because it is very stable. Some common rocks that contain quartz are granite, sandstone, and quartzite, but it's not limited to these few. The big geodes that you see in stores are generally made of quartz. Quartz comes in a variety of colors- clear, white (milky quartz), black (smokey quartz caused by radiation), pink (rose quartz), purple (amethyst), orange (citrine), and blue. As far as rocks with other shiny things, pretty much any rock with crystals in it will be shiny. A metamorphic texture that produces particularly shiny rocks is schistocity. But any coarse-grained igneous or metamorphic rock will be shiny.
LOTS AND LOTS OF ROCKS. Too many to name in fact. Shale is one rock, limestone as well. QUartz is so common you're better off looking for quartz itself! Milky quartz is white and slightly translucent. You see it fuc*ing everywhere. Pure quartz is more difficult to find. You hardly see it on the surface.

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