Can Magma or Lava? be bought on the auction house?

No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.

How much does Magma or Lava? cost on the auction house?

No auction house scans for RP Horde yet. The price appears here after the first scan from the AHledger addon.

Common reagent · item level 60 · id 228133

Magma or Lava? is a common reagent item in World of Warcraft: Forever. It has item level 60, binds when picked up and is unique.

The item reads: "Well-versed notes on the difference between different fire elementals. A fine addition to any library's collection."

What is Magma or Lava??: Magma or Lava? is a common reagent item in World of Warcraft: Forever. It has item level 60, binds when picked up and is unique.
Can Magma or Lava? be bought on the auction house?: No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.
How much does Magma or Lava? cost on the auction house?: No auction house scans for RP Horde yet. The price appears here after the first scan from the AHledger addon.
Is Magma or Lava? different in Forever than in Classic Era?: No. The Forever beta keeps the same item level, requirements, and vendor prices as Classic Era.