After the lava solidified, silicon-rich fluids circulating in the rocks deposited a layer of silicon-dioxide or quartz crystals in volcanic cavities. Traces of iron are responsible for the ...

lava stone, concrete, wood, and stainless steel. Despite lacking the widespread acclaim of their quartz and granite cousins, ...

Lava flows like these provide evidence of a rash ... Fractured Crystals These crystals, often called "shocked quartz," show a distinctive pattern of fracturing caused by high-energy impacts ...

Now that you understand what quartz is, let’s take a look at granite. Granite is a natural igneous rock, formed by the solidification of molten magma or lava when it cools down. Pros: The natural rock ...