Quotation1.svg This light blue beryl gemstone is said to represent courage. Quotation2.svg
— Description, Sonic and the Black Knight[1]

The Aquamarine (アクアマリン Akuamarin?) is a collectible item that appears in Sonic and the Black Knight.


The Aquamarine is a light blue, drop-shaped beryl. Accordingly, it is said to represent courage.


In gameplay, the player can collect the Aquamarine during different Missions in certain areas. For then to obtain it, the player must use the ID points earned from completing the Mission where the Aquamarine was picked up to identify it on the identification screen. The Aquamarine is needed to craft the Morglay.


  • No: 100
  • ID Point Price: 3
  • Rarity Level: ★★★☆☆☆☆☆☆☆
  • Item Type: Gem stone
  • Location: Crystal Cave


  1. Official in-game description of Aquamarine in the Treasury, item 100/247.

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