Cactus/Spirit Quartz Crystals. Measurements are centimeter. Pictures are taken in bright light. Cactus Quartz or Spirit Quartz Please look at pictures carefully. These are natural crystals and all will have some natural flaws. 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. Approximate size shown by ruler. Numbers are centimeters. 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. It was called "Spirit Quartz" by the South African tribal medicine men because they were used for healing rituals. 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. Many of the crystals can be improved by additional cleaning, trimming or propping. Grades C and D indicate a lot of damage from mining. We value your feedback please contact us with problems. Thank you for looking. Please check out our other items. Save time money with FREE Auctiva Image Hosting. Auctiva, The complete Selling Solution. Track Page Views With Auctiva's FREE Counter