A characteristic of a mineral is that it is a solid. There are four other types of characteristics which is inorganic, have a crystalline structure, naturally occurring and have defined homogenous chemical composition.
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.
metallic luster
the mineral's "color"
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.
color
man-made {apex}
man-made
Man-made
metallic luster