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 (database) of VMware, announced it had entered into a definitive agreement to acquire GemStone. On May 2, 2013, GemTalk Systems acquired the GemStone/S platform from Pivotal Software (the EMC and VMware spin-off).. Gemfire remained with Pivotal's Big Data division. The product is available standalone but is also integrated into its Cloud Foundry PaaS as "Pivotal Cloud Cache". GemStone builds on the programming language Smalltalk. GemStone systems serve as mission-critical applications. GemStone frameworks still see some interest for web services and service-oriented architectures. A recent revival of interest in Smalltalk has occurred as a result of its use to generate JavaScript for