Silicate life
Silicate life were a classification of lifeforms whose physical structures were based on silicate minerals.

The space-dwelling organisms encountered by the  in 2367, such as the one nicknamed "", had outer shells made from silicates, actinides, and carbonaceous chondrite. ()

The lifeforms on L-S VI were based on silicates rather than carbon. ()

The Scrubble of Jengus IV were a sentient silicate species, though they objected to the term "silicate life" as it was simply "life" to them. ()

See also
 Silicon-based lifeform

Lifeform classifications