People are often unsure of the differences between quartz and quartzite and that’s fair—you can’t spell quartzite without ...

They are inorganic, crystalline solids with a known chemistry. Examples of minerals include diamonds, garnets and even water ice! Rocks are made up of one or more types of minerals; for example, ...

The researchers noted that pure gold is often found in or near the mineral quartz, but the common explanation for why this is so did not satisfy the authors. “The standard explanation is that ...