Spell Gem

{
  "name": "Spell Gem",
  "page": 223,
  "items": [
    "Spell Gem (Amber)|OotA",
    "Spell Gem (Bloodstone)|OotA",
    "Spell Gem (Diamond)|OotA",
    "Spell Gem (Jade)|OotA",
    "Spell Gem (Lapis lazuli)|OotA",
    "Spell Gem (Obsidian)|OotA",
    "Spell Gem (Quartz)|OotA",
    "Spell Gem (Ruby)|OotA",
    "Spell Gem (Star ruby)|OotA",
    "Spell Gem (Topaz)|OotA"
  ],
  "rarity": "varies",
  "source": "OotA",
  "wondrous": true,
  "reqAttune": "optional",
  "otherSources": [
    {
      "page": 95,
      "source": "IMR"
    }
  ],
  "referenceSources": [
    "IMR"
  ]
}