S'ephelnium calmecite is an alloy favored for its hardness and resistance to fracture.

The Romulans use s'ephelnium calmecite in their communicators, with their casings being carved from a single metallic crystal of the alloy. (DS9 reference: Star Trek: Deep Space Nine Technical Manual)

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.