tillite has the following properties: made up of coarse and fine sediment grains no fixed crystal structure…

tillite has the following properties: made up of coarse and fine sediment grains no fixed crystal structure not a pure substance naturally occurring not made by organisms solid is tillite a mineral or a rock? mineral rock

tillite has the following properties: made up of coarse and fine sediment grains no fixed crystal structure not a pure substance naturally occurring not made by organisms solid is tillite a mineral or a rock? mineral rock

Answer

Brief Explanations:

Minerals have a fixed crystal - structure and are often pure substances. Tillite has no fixed crystal structure and is not a pure substance. Rocks are naturally - occurring solid aggregates of one or more minerals or mineraloids. Tillite, being made of coarse and fine sediment grains, naturally occurring, solid, and not made by organisms, fits the definition of a rock.

Answer:

rock