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Glassy textuered rocks, such as Obsidian.
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∙ 12y ago
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How could you distinguish pumice and granite?
Granite is a dense, non-porous rock with visible mineral grains. Pumice is a light rock filled with holes left by gas bubbles and generally no visible grains.
What rock has large mineral grains?
Fine grains of rocks are referred to as "clasts." The word "clast" comes from the Greek word "klastos," meaning "broken."
What rock has interlocking grains with no specific pattern?
Igneous rock has interlocking grains with no specific pattern.
Is sandstone a mineral?
No. Sandstone is not a mineral, it is a rock type.
What do you mean by coarse texture?
It is a rough texture of a rock
What is a rock with long flat mineral grains?
A metamorphic rock
When water combines with mineral grains do the grains become smaller or larger?
When water combines with mineral grains, the grains become larger. The increase in size of mineral grains strains the rock material and weakens it.
What type of grains does metamorphic rock have?
Metamorphic rock may have coarse, flattened, or aligned mineral grains.
If you found a rock with flat mineral grains which rock would it be?
Metamorphic Rock
When a mineral grains in a metamorphic rock do not form layers the rock has a?
no texture
A rock whose mineral grains are not formed in bands is called?
Rock
What is marbles crystal?
Marble is a rock and rocks don't have crystal structures. However, marble does have a crystalline texture of visible interlocked calcite or dolomite mineral grains.
