Enchanted Quartz

Enchanted Quartz is an crafting material. It is unlocked at.

Crafting
160 quartz (2.5 stacks) can be crafted into 1 Enchanted Quartz.

Alternatively, 160 quartz blocks (2.5 stacks) can be crafted into 4 Enchanted Quartz.

Quartz:

Trivia

 * Despite the fact they can be used to craft enchanted quartz, quartz blocks cannot be crafted back into quartz.
 * This item is called "Enchanted Quartz", rather than "Enchanted Nether Quartz".