Rainbow Aura Cactus Quartz or Spirit Quartz Cactus or Spirit Quartz coated with titanium. Size Approximately: 2 cm x 3 cm x 5.5 cm 30 g View My Other Items For Sale Visit My Store Add me to your Favorite Sellers Please look at pictures carefully. See FAQs below Rainbow Aura quartz is created in a vacuum chamber from Quartz crystals and Titanium vapor by vapor deposition. The quartz is heated to 871 C (1600 F) in a vacuum, and then Titanium vapor is added to the chamber. The atoms fuse to the crystal's surface, which gives the crystal an iridescent sheen. A cactus or spirit quartz is a quartz crystal that is encrusted by a second generation of smaller crystals grown on its prism faces. These crystals were first discovered in 1986 in the Magaliesberg Mountain Range near Pretoria, South Africa. Cactus quartz is formed by a quartz or amethyst crystal being encrusted by a second generation of smaller crystals grown on its faces. It occurs as quartz, citrine and amethyst, and comes in a wide range of colors, including purple amethyst, violet amethyst, smoky, milky clear and golden citrine. FAQ/Tips Crystals are priced by quality, color and size. Purple amethyst is more highly prized and will cost more for a smaller lesser quality crystal. Lavender is the most common color and where you will find the best quality/value for price Crystals change colors with changes in type angle and intensity of light. Color may also vary between monitors. Pictures were taken in bright natural light. We do our best to give you many views so you can judge the quality of the given crystals. If you have questions please ask before bidding or buying. Many of the crystals have special color properties: Many have phantoms, not just the ones we?ve indicated. Some have ?floating? purple tips. The placement of darker purple against purple or white crystals appears to change as the crystal is turned. Many are a mixture of citrine and amethyst. The ones called ?Golden Healers? or ?Sunshine? have a rainbow effect on crystal faces. To get combined shipping please use the shopping cart and click on request invoice. Wait until you get one from us to pay. Contact us re wholesale. We value your feedback please contact us with problems. Items are returnable. Thank you for looking. Please check out our other items.