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
New Jewel Types and Crafting now Live on Earth2 Test site
The “Arwyn” Trellis Cluster Ring - Earth's Treasury
New Jewel Types and Crafting now Live on Earth2 Test site
Crafting Guide Page - Earth 2®
FAQ & Glossary for Earth2
How to Craft Jewels - All Tier 2 Recipes and Upgrades - Tutorial - Earth 2
E2Analyst – Medium
How to Create Jewels and Craft with Shards - Earth 2
PoE Cluster Jewel Crafting Guide, Cluster Jewels Crafting 101
How to Craft Brilliant Jewels in Earth 2
New World level 0 - 200 Jewelcrafting guide Infographic : r/newworldgame
Earth2: Jewel Crafting — Shards Explained, by E2Analyst, Planet Earth2
Jewel Crafting resource : r/earth2io