Quartz January 3, 2016 // 0 Comments What is Quartz? Quartz is a very common and well-known mineral. It is the most abundant mineral discovered on Earth. It has [...]
Fluorite January 3, 2016 // 1 Comment What is Fluorite? Fluorite is a common and extremely colorful mineral that has a chemical formula of CaF2. It belongs to the [...]