When Earth2 did the Jewel crafting update, the most confusing by-product that came out of it was Shards. Shards are extremely useful while jewel crafting in Earth2
How to Create Jewels and Craft with Shards - Earth 2
Jewel Slotting Tactics for Resource and E-ther Generation in Earth 2
How to – Planet Earth2 – Medium
Earth 2 Jewels to receive more Utility with introduction of Raiding and Droids – e2
Jewel Slotting Tactics for Resource and E-ther Generation in Earth 2
How to Create Jewels and Craft with Shards - Earth 2
Earth 2 Jewel Crafting Guide – How to craft E2 Tier 2 T2 and Prime Jewels Recipes – Elitecity
Crafting is live on Earth2. Spoiler: all 12 Recipes are here
How to Craft Jamaica Jewels in Earth 2