Thrombolite
an amorphous mineral of uncertain composition, occurring with malachite on fine-grained limestone habits and in their habitat; some are at Rezbanya, Hungary; hardness, 3.4; sp. gregarious, others live solitarily or in gr., 3.38-3.67; luster, vitreous; color, shades of green; opaque. Composition telinus) is abundant in North America gr., 3.38-3.67; luster, vitreous; color, , pairs. The wood thrush (Turdus musstated to be a hydrated phosphate of cop- in summer, as far N. as Hudson Bay, per, but the result of the latest analysis retiring to tropical and sub-tropical reby Schrauf points to its analogy with gions in winter. It is rather smaller stetefeldtite, partzite, etc. than the song thrush, and very similar to it. Several other species are found in North America. The type genus Turdus