Do you have back issues of Garden Gate available for sale? a. We no longer have individual back issues available for purchase; however, we do have annual volumes.
Very good Topaz crystals also come from the Jos Plateau, Plateau State, Nigeria. In Mexico, a famous locality that produces multicolored Topaz with brownish-red tints is Tepetate, San Luis PotosÃ­; along with the Veronica Mine, Copetillo; and Villa Garcia, Zacatecas.
While most popular in yellow and blue, topaz also occurs as purple stones. A variety of imperial topaz, this purple crystal is a rather rare color of the topaz mineral. Varying from light violet to deep purple, the violet crystal gets its color from the inclusion of chromium into the otherwise colorless mineral.