Titanium Quartz, also known as Flame Aura Quartz, Rainbow Quartz, or Aura Quartz, is a type of Quartz that has been coated with titanium (and sometimes additional metals like gold and niobium)

925 Silver Plated Titanium Quartz, also known as Flame Aura Quartz pendant

Titanium Quartz, also known as Flame Aura Quartz, Rainbow Quartz, or Aura Quartz, is a type of Quartz that has been coated with titanium (and sometimes additional metals like gold and niobium) in a process known as vapor deposition. The quartz crystals are heated in a vacuum and then titanium vapor is added to the chamber. The titanium atoms fuse to the crystal's surface, which refracts light into stunning arrays of colors, creating a rainbow-like effect that can include blues, greens, purples, and golds. This process enhances both the physical strength and the metaphysical properties of the quartz.

approx, Size pendant 20x 50 mm. weight with cord is 19 gr. 
45+5cm Leather String Cord Wax Braided 3 mm Rope Adjustable Chain Lobster Clasp Necklace