Below, you can find the full FFXIV: Heavensward item info for the Empty Crystal item. This item is a Stone and is usually a crafting material or the product of a craft. Sometimes it can be dropped from a monster or found in a chest.
Metal Ore Stone Gemstone Parts
Empty Crystal | ||||
Stone Level: 1 | Item Level: 120 NPC: | |||
A transparent crystal almost completely devoid of elemental aspect. |