Sentence: The grey marle, in which most of the bones lay, by analysis was found to contain seventythree parts in the hundred of lime when dried in the sun it cracks into thin horizontal lamin, and becomes extremely light, as hard as baked clay, and brittle in this state it burns with a bright flame for a long while, and instead of leaving ashes, it remains a strong black coal, apparently well adapted to the purposes of the arts.
Combination: baked clay (root: clay, modifier: bake)
Property: brittle
Property type: emergent