Shard of Adonalsium, Brandon Sanderson Wiki

The Shards of Adonalsium, or Shards are pieces of the power of Creation itself. There are sixteen Shards in the cosmere. Three of the Shards are located in the Rosharan System: they are Odium (Rayse), Cultivation, and Honor (Almighty/Tanavast, deceased).  

Shard of Adonalsium, Stormlight Archive Wiki

So the Novella is Called Dawnshard - Brandon and Book News - 17th Shard, the Official Brandon Sanderson Fansite

Roshar, Stormlight Archive Wiki

Shard of Adonalsium, Stormlight Archive Wiki

Understanding Brandon Sanderson's Cosmere

An Illustration of Current Shards : r/Cosmere

Cosmere, Stormlight Archive Wiki

The Stormlight Archive - Wikiwand

The Wertzone: A Rough Guide to Sanderson's Cosmere