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Jenruax

From Wookieepedia, the Star Wars wiki.

Jenruax was a type of lightsaber crystal occasionally used in lightsaber construction. A refined form of Opila, the Jenruax crystal had to be cleansed of impurities before use.

When set in a lightsaber's crystal chamber, jenruax made the blade more agile and thus, more efficient at deflecting blasterfire.

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