Spessartine in rhyolites in Colorado and Maine. In Madagascar, spessartines are exploited either in their bedrock or in alluvium. The orange garnets result from sodium-rich pegmatites. Spessartines are found in bedrock in the highlands in the Sahatany valley. Those in alluvium are generally found in southern Madagascar or in the Maevatanana region. Spessartine forms a solid solution series with the garnet species almandine. Well-formed crystals from this series, varying in color from very dark-red to bright yellow-orange, were found in Latinka, Rhodope Mountains, Kardzhali Province, Bulgaria. Spessartine, like the other garnets, always occurs as a blend with other species. Gems with
GemStone IV 1995, just after the de-ICEing process. It had already become available on CompuServe and Prodigy before that. When AOL switched to flat-rate pricing, "GemStone" did over 1.4 million customer-hours in a single month and was attracting 2,000-2,500 simultaneous players. Simutronics launched a web portal in 1997, and started phasing customers off of the online services and onto the web interface, although it would take several years before the last of the online service portals were closed. "Computer Gaming World" in 1991 stated that "Gemstone III" was a good example of the best and worst aspects of online play. The reviewer