Magnetite can be black and it has a black streak. It is metallic and iron ore
Magnetite.Has metallic luster, silver color, black streak, and contains (Fe) Iron.
Glassy luster, Metallic luster and Waxy luster.
Magnetite
Mineral,streak, and luster
Petroleum is not a mineral and does not possess these characteristics.
Magnetite
Magnetite.Has metallic luster, silver color, black streak, and contains (Fe) Iron.
Glassy luster, Metallic luster and Waxy luster.
Magnetite
Minerals can be identified by such as their color, streak, luster, and their hardness. What does streak, and luster mean?Streak-- Is the color of a mineral's powder for example: talc is a mineral and it is also powder and its streak is white.Luster-- Is the way a mineral reflects light from it's surface for example: glassy, pearly, silky, metallic and earthy can be words to describe luster.
Magnetite
The streak of a mineral is much more accurate in identifying a mineral than color. The streak of a mineral can distinguish minerals with metallic and non-metallic luster. For example, metallic minerals generally have a dark streak whereas non-metallic luster minerals often have a light colored streak.
Graphite
Luster is the light reflection a mineral has, which can be broken down into categories like metallic, silky, and dull. The luster dictates what type of mineral it is.
Luster is the way a mineral reflects in the light. Streak is the color of a mineral in powdered form.
luster: Vitreous/ non-metallic streak: white. if you crush ruby, it will turn into white dust
a luster