Garnet not like sapphire blue in subdued daylight but more reminiscent of the grayish blues and greenish blues sometimes seen in spinel. However, in white LED light, the color is equal to the best cornflower blue sapphire, or D block tanzanite; this is due to the blue garnet's ability to absorb the yellow component of the emitted light. Pyrope is an indicator mineral for high-pressure rocks. The garnets from mantle-derived rocks, peridotites, and eclogites commonly contain a pyrope variety. Spessartine or spessartite is manganese aluminium garnet, MnAl(SiO). Its name is derived from Spessart in Bavaria. It occurs most often in granite
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