Crystal
A crystal was a regularly-ordered solid mineral. 

One notable material occurring in crystal form was dilithium. Crystals were also key components of various Federation technologies, such as the linear memory crystal in computer cores, discharge crystals used in phaser rifles, and emitter crystals used in Subspace transceivers.

In the Earth comedy movie The Court Jester, the chalice with the palace was made out of crystal. ()

Orientine acid was capable of burning through nearly anything except the crystal that made up the vial it was housed in. ()

The surface of the planet Terra 10 was described as crystalline. ()

A quote claimed that sculptures were crystallized spirituality. In 2256, Michael Burnham recalled the quote but not who said it. ()

Data experimented with producing vibrations in a crystal by means of graviton pulses, which Doctor Kila Marr later compared with tapping a crystal goblet. This technology was implemented to make contact with the Crystalline Entity and was later used by Dr. Marr to kill the creature. ()

Captain Jean-Luc Picard kept a small transparent crystal on the desk in his ready room aboard the . He often played with the small stone when he had to make an important decision. (, ; ) His first officer, William T. Riker, also did so on occasion. ()

The shapeshifting locket Odo received from the Rakhari Croden was identified by Doctor Julian Bashir as an amalgam of organic matter and crystal. ()

Crystals were an important part of Gelrakian culture, likely to the abundance of crystals on their homeworld. They had spears with crystals, crystal graffiti, and they even planned on building a race car made of crystal. ()

In 2382, away team members from the  and  used large crystals from a cave on Jengus IV to battle fantasy characters manifested by Scrubble psychic mines. ()

Types of crystal
Albeni meditation crystal
Bolian crystalsteel
Crystalline ceramic
Crystalline emiristol
Data crystal
Denevan crystal
Dilithium crystal
Discharge crystal
Emitter crystal
Honor crystal
Lithium crystal
Linear memory crystal
Lobi crystal
Love potion crystal
Maraji crystal
Rejac Crystal
Regalian liquid crystal
Ryan Crystals 8489
Rhuludian crystal
Tallonian crystal
Time crystal

See also 
Canar
Crystal ball
Crystal car
Crystal fire cage
Crystalline Entity
Crystalline trench
Crystallization
Recrystallization

External link 
 

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Materials