A clear quartz rock by itself actually isn't worth very much simply because it can't be used for many different things. You can often find little pieces of quartz rock in a store for around one to five dollars. However, if you are purchasing quartz for countertops in your home then it's a very different story. Quartz countertops prices can range anywhere from $100 to $120 a square foot - the difference is that it is shaped and in a useable form where as a rock cannot be used for much.
It's just like if a car didn't run it wouldn't be worth very much, but if you got it running the value increases substantially.
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Quartz is a mineral not a rock. Fossils can be found associated with quartz in sedimentary rock not inside the quartz.
== == Quartz is actually a silicate mineral that appears in metamorphic, sedimentary, and igneous rocks.
quartz is a mineral, not a rock, so it can't be igneous, sedimentary or metamorphic
Quartz
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