Try the first way of my life! This Add-on inserts 2 blocks. A Fast block and a slow block. Which you can craft with crystals. This is a beta Add-On, there may be bugs in it.
Blocks: Crystal ore Fast block Slow block Items: Crystal Fast Crystal Slow Crystal Unfortunately, there may be bugs in it, but it worked perfectly for me. Crafting recipe: Crystal: Slow Crystal: Fast Crystal: Slow Block: Fast Block: Gallery: