Close-grained and Igneous

Close-grained adjective - Dense or compact in structure or texture, as a wood composed of small-diameter cells.

Igneous and close-grained are semantically related. In some cases you can use "Igneous" instead an adjective phrase "Close-grained".

Igneous adjective - Produced by the action of fire or intense heat.

Close-grained and igneous are semantically related. Sometimes you can use "Close-grained" instead an adjective "Igneous".