Gem Blocks

Gem Blocks are a decorative blocks that do not appear in normally generated maps. They are obtained by crafting nine Gems in a 3x3 square in a crafting grid. It currently is only used as a decorative block and as a means of storing Sapphires in a compact fashion. A Gem Block can only be mined successfully with an Iron or better Pickaxe. It uses the same texture on all six sides.

Recipes
Sapphire Block

Ruby Block

Emerald Block