|This article is about Ruby Ore (GregTech). You may be looking for Ruby Ore (RedPower 2).|
Ruby Ore is one of the ores added by GregTech. Ruby Ore can spawn on layers 0 to 32 with up to 7 ores per vein.
When mined, Ruby Ore drops a Ruby with a chance of dropping a Red Garnet. Red Garnets will not be created if the ore is processed by a machine. However, two tiny piles of Red Garnet Dust are created when processing the Ruby Ore in an Industrial Grinder.