Garnet as gemstones. The gemstone varieties occur in shades of green, red, yellow, and orange. In the US it is known as the birthstone for January. It is the state mineral of Connecticut, New York's gemstone, and star garnet (garnet with rutile asterisms) is the state gemstone of Idaho. Garnet sand is a good abrasive, and a common replacement for silica sand in sand blasting. Alluvial garnet grains which are rounder are more suitable for such blasting treatments. Mixed with very high pressure water, garnet is used to cut steel and other materials in water jets. For water jet cutting, garnet
Gemstone Warrior Gemstone Warrior Gemstone Warrior is an action role-playing game written by Canadian developer Paradigm Creators for the Apple II and published by Strategic Simulations in 1984. It is an action-adventure title set against a 2D screen with the player controlling an armored figure that they would move from area to area in search of treasure and the pieces of the stolen Gemstone. "Gemstone Wariror" was SSI's first game to sell over 50,000 copies in North America. The game was ported to the Commodore 64, Atari 8-bit family, and Macintosh. In addition, the games were ported to the N7 Japanese system.