Converse of object

• call: They are made from a naturally occurring metal called hematite, although they look like they should have come from outer-space.

Adjective modifier

• brown: Considerable quantities of red ruddle and brown hematite occur generally, and these substances were probably used as paint.

Modifies a noun

• crystal: Growing on the external surface are lustrous, dark, platy hematite crystals.

• mineralization: Baryte occurrences may be related to later Carboniferous to Mesozoic events, including hematite mineralization.

• bracelet: Go one spoil yourself and add this lovely magnetic hematite bracelet to your collection.