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Cleavage is the splitting of rocks or minerals along defined surfaces.
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∙ 13y ago
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What do crystals form from?
Many different substance can form crystals. Crystals form when the atoms, molecules, or ions of a substance settle into a definite, repeating pattern due to the manner in which the chemical bonds are arranged. Common crystalline substances we encounter include sugar, salt, ice, and borax. With the exception of volcanic glass, all rocks are composed of minerals which, by deifnition, are crystalline. Common components of these rocks include silica and various metal oxides.
What are rocks that have a glassy texture called?
Obsidian
Why are earthquakes caused by rocks breaking?
Vibrating through movement of rocks
What rocks originate from the surface of the earth?
Sedimentary rocks form on the Earth's crust, and can form metamorphic rocks when buried. Igneous rocks form under the surface, or when liquid magma reaches the surface as lava.
Can rock be made of other rock?
Sedimentary rocks are rocks made out of sediment, which is often other rocks ground down to powder. Metamorphic rocks are sedimentary rocks that have been changed (partially melted and hardened) by being exposed to extreme heat and pressure. So, yes.
Can rocks have cleavage?
Yes. Cleavage (referring to rocks) is the tendency to break along its crystal planes, thus reflecting it's mineralogy. Not all rocks have cleavage.
What does cleavage mean in science?
Cleavage is the cracks in rocks and the texture!
What is more common a cleavage or fracture?
they both show how rocks break
What is the cleavage of a geode?
Cleavage is the degree of deformation that occurs with types of rocks. The cleavage of geodes is indiscernible due to the irregularity of the stone.
How can you tell rocks apart?
You can tell rocks apart by its hardness, cleavage, and streak
What is cleavlage?
Cleavage can mean may things 1.the act of cleaving or splitting 2.the state of being cleft 3.the area between a woman's breast, esp. when revealed by a low-cut neckline 4.a critical division in opinion, beliefs, interests, etc, as leading to opposition between two groups: a growing cleavage between the Conservative and Liberal wings of the party 5.the tendency of cystals, certain minerals, rocks, etc., to break in preferred direction so as to yield more or less smooth surfaces
What do cleavage and fracture have in common?
They both show how rocks break.
What is the cleavage of conglomerate rocks?
Conglomerate rocks do not have cleavage because of their composition. They break inconsistently and rarely form sharp edges, so they end up making fractures instead of cleavages.
In rocks and minerals what is a break with smooth regular edges?
cleavage. (ha, ha.)
what are five different ways of classifying rocks?
cleavage, fracture, luster, streak and color
Plants that push through the rocks cause rocks to split or break down?
I think both because the process of breaking down a rock is caused by the rock splitting--not in even chunks, but still splitting.
Which parts of the phosphorus cycle are geological processes?
The uplifting of phosphorus rock in mountains and the cleavage and weathering of those phosphorus rocks are geological processes.
