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Most coal is black, or greyish black.

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7y ago

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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 is the streak color of chalcopyrite?

the streak color is Dark Green


What is perlite's streak color?

Perlite does not have a streak color because it is a volcanic glass that does not leave a streak on a streak plate.


Is streak the color of powder?

Streak refers to the color of a mineral in powder form.


What is the the streak color of calcite?

The streak color of calcite is white.


What is the color of the streak of calcite?

The streak color of calcite is white.


What color is the streak of dolomite?

the color of the streak for dolomite is white


What is the color of a minerals powder called?

there is no name for the color, but there is the "streak" of a mineral, meaning the color of its streak.


The color of a minerals powder is its what?

The color of a mineral's powder is its streak. This is the color of the powdered form of the mineral when it is scraped against a hard surface. Streak is a more reliable indicator of a mineral's identity than its exterior color.


What color is the streak of bituminous coal?

Bituminous coal is described as:Diaphaneity (Transparency): OpaqueColour: BlackStreak: BlackCleavage: None ObservedSee PicturesBituminous Coal exists in the geological area known as The Pittsburgh Coal Seam-- an area extending from Western Pennsylvania, Western West Virginia, Ohio, Kentucky, and Indiana. Though mined since the days of Native American Indians, and heavily mined since 1800, it is estimated there is still enough coal in this large seam to last millions of years.


What is the color of chert's streak?

Chert has no streak, it is too hard.


What is the streak color for wheat?

The streak color for wheat is white.