Hou Kaingan oyster are native oysters of the planet Hou Kainga. The oysters make a black pearl. The way they make them is by secreting layers of materials, concentrating the Naquadah in the oyster's environment in a unique crystalline structure. Radioactive decay makes oysters pearls slightly warm to the touch and a sufficiently energetic impact can result in an explosion. Oysters can grow to several feet. (RPG: "First Steps: The Stargate Unexplored Worlds Roleplaying Sourcebook")
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| Planets | Hou Kainga • Hou Kainga's moon |
| Technology | Hou Kaingan boat |
| Terms | Hou Kaingan oyster • Hou Kaingan pearl |