Hematite, also known as 'haematite', takes its name from the Greek word for 'blood'. Although it occurs as boitroidal crystal aggregates with a metallic silver colour, when scratched the resulting powder appears a bright rust-red.
It can manifest itself in a wide variety of crystal habits within quartz, as deep blood-red crystals, columnar stacks of hexagonal platelets or as radiating needle-like shapes as well as attractive thread-like forms.
Hematite inclusions in quartz are sometimes refered to as 'lepidocrocite' or 'lepidocrosite', however these are commercial names and are not connected to hematite.   
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