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Anonymous
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Rock Crystal - novella - was created in 1853.
Please further define what you mean by 'crystal rock'.
How shiny a rock or crystal is.
No Schist is not a crystal, but it is composed of minerals.
Quartz.
yes
Rock gypsum.
mineral
the different types of crystal are sugar salt and rock.
No. While you don't happen upon it easily outside of stores/unpolished, rock crystal is widely available.
No. A crystal is the solid form of a mineral. Mineral crystals are present in nearly every rock, regardless of type.
the Florida state rock is agatized coral.