Quartz is the most common mineral on earth. It is a crystalline mineral that comes in many forms, including amethyst, citrine, rock crystal, rose quartz, tiger's eye, chalcedony (agate, carnelian, aventurine, chrysoprase, jasper).
quartz is clear quartz embedded with golden rutile needle
like inclusions. Tourmalinated quartz is embedded with needle like
inclusions of tourmaline.