0
What else can I help you with?
What the streak of coal?
A streak of coal refers to the color that results when coal is scratched or rubbed against a surface. It is typically black or dark brown in color due to the presence of carbon and other minerals in the coal. This streak can help identify the type of coal and its quality.
What color streak does iron leave?
There are 5 industrially important minerals of Iron. The five are: Hematite,Magnetite,Limonite,Goethite and Siderite. Each mineral has its own color streak.Hematite no matter its color, is always red or red-brownLimonite's streak is always yellow.Magnetite has a black streakSiderite has a white or pale-brown streak.Goethite has a brown,brownish-yellow to orange-yellow streak.
What mineral has a different color in its powder form than in its original form?
The mineral pyrite has a brassy yellow color in its original form but a black or greenish-black color in its powdered form due to oxidation.
What kind of mineral can you find at the end of the pencil?
The mineral commonly found in pencils is graphite. Graphite is a form of carbon and is a soft, black, and shiny mineral that leaves marks on paper when used in writing or drawing.
What is the answer to mickeys riddle cap with an N ice cube and box with a black ball behind it?
nice behind
What refers to the color left behind when a mineral's is rubbed across and unglazed porcelain plate?
Which mineral leaves a green-black powder when rubbed against an unglazed porcelain plate?
What mineral leaves a black streak?
The mineral that leaves a black streak is called magnetite. When magnetite is scratched against a white ceramic plate, it leaves a distinctive black streak behind.
What will happen if you rubbed the surface of the newspaper?
if you rubbed it where there was ink, you would get a black mark.
What is the streak color of basalt?
Basalt has a reddish brown streak. It is a dark and dense igneous rock of a minor lava flow.
What is a streak when it comes to talking about science?
'streak' is the color that a mineral will leave when rubbed on a piece of unglazed porcelain. It is used to help identify the mineral. For example, arsenopyrite looks very similar to gold, but has a dark grey or black streak. Gold has a yellow streak.
Does gold gives a black marking when rubbed?
no, no, no who told you that? :-p
6 methods to tell minerals apart?
Six methods to tell minerals apart? 1) Acid test = will it bubble? is there a light, strong, or no reaction to the acid 2) color= white, black, green, pink, or gold 3) streak= black. Brown. White. Red. This tests the powder color of the mineral 4) luster= dull, pearly, shiny 5) weight = gravity test 6) hardness= this is a scratch test mineral against a penny and a file.
How do you start poem about a highway robber?
Dressed all in black he came The moon shinning bright behind A shape in darkness Black against black Now, you finish it.
Which mineral can be easily scratched by a fingernail has cleavage a metallic luster and has a black streak?
azurite is one of the minerals that has a light blue streak.
What is the name of a black mineral?
The name of a black mineral is typically "black tourmaline," also known as schorl. It is a common mineral found in igneous and metamorphic rocks and is known for its ability to repel negative energy.
Why are streak tests used?
Streak tests are used to identify minerals. Rubbing a mineral specimen against unglazed white porcelain, or finely powdering it and examining the powder against a white background, is a useful diagnostic test in some cases. Eg. hematite, a black mineral that looks much like many other black minerals, has a distinctive red streak.
What the streak of coal?
A streak of coal refers to the color that results when coal is scratched or rubbed against a surface. It is typically black or dark brown in color due to the presence of carbon and other minerals in the coal. This streak can help identify the type of coal and its quality.
