| Name | Spell Gem |
| Type | W |
| Magic item | Yes |
| Rarity | generic variant (requires attunement) |
| Text | Spell Gem (Amber) Spell Gem (Bloodstone) Spell Gem (Diamond) Spell Gem (Jade) Spell Gem (Lapis lazuli) Spell Gem (Obsidian) Spell Gem (Quartz) Spell Gem (Ruby) Spell Gem (Star ruby) Spell Gem (Topaz) Source: Out of the Abyss p. 223, Infernal Machine Rebuild p. 95 |