Man-made
rough, sharp
It's wind.
It conducts in only one direction.
cleavege of the mineral
A waxy luster gives minerals a shiny appearance.
man-made
The characteristic property of the mineral pyrite is sand it is very shiny
Color, due to the effects of impurities, is the least reliable identifying mineral characteristic.
rough, sharp
it is hardness
The mineral is hematite.
An accessory mineral is a mineral present in small amounts in a rock, but not considered to be characteristic of the rock.
It must be naturally occurring and crystalline.
metallic luster
color
man-made {apex}
It's wind.