An excellent example of Phantom Quartz. Phantom quartz is a variety of quartz, or "rock crystal", that, over the course of millions of years, forms over earlier rock crystals that already existed. It takes its name from the particular structure of its cry
Image result for rutile in quartzhttps://www.crystalsgems.com/rutilated-quartz/
Ajoite is a hydrated sodium potassium copper aluminium silicate hydroxide mineral. Ajoite has the chemical formula and minor Mn, Fe and Ca are usually also present in the structure. Ajoite is used as a minor ore of copper.