Crystal

A crystal is a type of clear mineral.

The Traveler's homeworld had beautiful crystal cities. (TOS comic: "Dark Traveler")

Types of crystalsEdit

• Acta crystal
• bioelectronic crystal
• Denevan crystal
• dilithium
• Iotian crystal
• Maraji crystal
• Metebelis crystal
• rubinitite crystal
• Tallonian crystal

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