There are 10 main types of gems you will use.
“Black Gems are a type of gem that first appear in the Gemcraft Chapter 2: Chasing Shadows. The...Black Gems
“Orange Gems are one of the nine gems in the Gemcraft Series. The special ability of this gem is...Orange Gems
“Red gems are one of the 8 gems(GC1,GC0,GCL) 10 gems(GC2) of the gemcraft series. Its abilities...Red Gems
“The yellow gem is one of the gem types in the Gemcraft series. It's effect didn't change much...Yellow Gems
“Green Gems are one of the eight gems in the Gemcraft series. It's ability is poison. The monster...Green Gems
“This kind of gem first appears in Gemcraft Chapter 2 - Chasing Shadows. The damage and special...White Gems
“Lime Gems are one of the eight gems in the Gemcraft series, and the special ability of this gem...Lime Gems