Garnet pegmatite and allied rock types and in certain low grade metamorphic phyllites. Spessartine of an orange-yellow is found in Madagascar. Violet-red spessartines are found in rhyolites in Colorado and Maine. Blue pyrope–spessartine garnets were discovered in the late 1990s in Bekily, Madagascar. This type has also been found in parts of the United States, Russia, Kenya, Tanzania, and Turkey. It changes color from blue-green to purple depending on the color temperature of viewing light, as a result of the relatively high amounts of vanadium (about 1 wt.% VO). Other varieties of color-changing garnets exist. In daylight, their color ranges from
Gemstone Publishing was a compilation, edited by David Gerstein, of Disney cartoon story pages published from 1934 to 1944 in Good Housekeeping magazine. Gerstein later edited two Gemstone softcover books that were official tie-ins to the Walt Disney Treasures DVD collections: "Disney Comics: 75 Years of Innovation" (2006) and "Uncle Scrooge: A Little Something Special" (2008). Gemstone has also published reprints of EC Comics. Gemstone's "Comic Book Marketplace"-editor Russ Cochran had previously published (in 1973) a dozen reprints of EC titles including "Crypt of Terror", "Weird Science", "The Haunt of Fear", "The Vault of Horror", etc., before moving to Gladstone Publishing and