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How do you find the streak of a rock?
To find the streak of a rock, you can rub the rock against an unglazed white porcelain tile to observe the color of the powder left behind. The color of the streak can help identify the minerals present in the rock.
Can a rock change color withair and water and why?
Yes, certain rocks can change color when exposed to air and water due to chemical reactions with minerals in the rock. For example, iron in the rock can oxidize and change the color from red to brown. Water can also introduce new minerals that alter the rock's color over time.
What is an igneous rocks color determined by?
An igneous rock's color is mainly determined by its silica content.
Give two examples of how a rocks color provides clues to the rocks mineral composition?
This is out of "Prentice Hall Science Explorer"MINERAL COMPOSITION AND COLOR"Rocks are made of mixtures of minerals and other materials. Some rocks contain only a single mineral. Others can contain several minerals. These minerals are known as rock-forming minerals.A rock's color provides clues to the rock's mineral comp. For example, granite is generally a light-colored rock that has high silica content. Basalt, is a dark colored rock that is low in silica. But as with minerals, color alone does not provide enough information to identify a rock.Geologists observe the shape and color of crystals in a rock to identify the minerals that the rock contains. In identifying rocks, geologists also use some of the tests that are used to identify mineral's. For example, testing the surface of a rock with acid determines whether the rock includes minerals made of compounds called carbonates."
What is a rock that has a dull color?
A rock with a dull color could be shale, which is typically gray, brown, or black in color and has a dull luster. Shale is a fine-grained sedimentary rock that is made up of clay and other mineral particles.
White color egg comes form a white rock chicken?
earlobe color determines the color of eggs if they are red then the eggs will be brown
What determines color of the stars?
The temperature determines the color of the star!:)
What characteristics determines the chemical composition of an igneous rock?
An igneous rock is any crystalline or glassy rock that forms from cooling of a magma. Color and texture help determine the chemical composition of the rock.
What determines how fast a rock will weather?
Climate and the type of rock
What determines skin tone?
melanin. melanin also determines the color of your eyes. the more melanin, the darker the color.
What determines is a rock is metamorphic?
by the texture
Which of the followed determines the pathway a rock will follow in the rock cycle?
The forces that act on the rock
What determines the texture of an igneous rock'?
the rate the melted rock cools
What determines skin color in animals?
No
What determines how quick a rock is weathered?
Mostly water determines but even wind helps in it.
What determines the frequency ( color ) of photons?
Frequency determines color. Frequency is determined by the origin of the photon, i.e. emitted from an excited atom.
What determines the composition of rock?
dont know it
