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What is a smooth glassy black igneous rock?
The rock you are describing is likely obsidian. Obsidian is a naturally occurring volcanic glass formed during rapid cooling of lava. It is usually black in color and has a smooth, glassy texture.
What igneous rock has a smooth glass like texture?
Obsidian is an igneous rock that has a smooth glass-like texture. It is formed when lava cools rapidly without crystal formation, resulting in a glassy texture.
What is an extrusive igneous rock that is actually glass?
Obsidian is an extrusive igneous rock that forms when lava cools quickly and solidifies into a glass-like material without crystal formation. It is typically black in color and has a smooth, glassy texture due to its rapid cooling process.
What does term ''glassy'' mean when talking about igneous rock texture?
Glassy texture in igneous rocks refers to a smooth and reflective appearance resembling glass. This texture is formed when the molten rock cools rapidly, preventing mineral crystals from developing. Glassy texture is typically seen in obsidian, a type of volcanic glass.
What is a glasslike ignous rock often black in color?
Obsidian is a glasslike igneous rock that is often black in color. It forms when lava cools quickly with minimal crystal growth, resulting in a smooth, glassy texture. Obsidian is commonly used in jewelry and decorative objects due to its shiny appearance.
What is a smooth glassy black igneous rock?
The rock you are describing is likely obsidian. Obsidian is a naturally occurring volcanic glass formed during rapid cooling of lava. It is usually black in color and has a smooth, glassy texture.
What rock is black glassy and was formed by rapidly cooling lava?
The answer is pitchstone. it is and igneous rock.
What is the luster of igneous rock?
i think that igneous and metamorphic rocks uses luster because maybe they have it in them
What is the name of a smooth glassy black ingeous rock?
Obsidian
A smooth glassy black igneos rock?
The igneous rock you are describing is likely obsidian. Obsidian is a naturally occurring volcanic glass formed from the rapid cooling of molten lava. Its smooth, glassy texture and black color make it a popular material for decorative items and tools.
What igneous rock has a smooth glass like texture?
Obsidian is an igneous rock that has a smooth glass-like texture. It is formed when lava cools rapidly without crystal formation, resulting in a glassy texture.
What is an extrusive igneous rock that is actually glass?
Obsidian is an extrusive igneous rock that forms when lava cools quickly and solidifies into a glass-like material without crystal formation. It is typically black in color and has a smooth, glassy texture due to its rapid cooling process.
How do Igneous rock with glassy textures?
An igneous rock with a glassy texture cooled from its' liquid state very quickly, an example of this would be obsidian, a volcanic glass.
Is granite a glassy igneous rock?
No, granite is a coarse-grained igneous rock that is made up of minerals like quartz, feldspar, and mica. Glassy igneous rocks, like obsidian, form when molten lava cools quickly on the surface, resulting in a smooth, glass-like texture.
What does term ''glassy'' mean when talking about igneous rock texture?
Glassy texture in igneous rocks refers to a smooth and reflective appearance resembling glass. This texture is formed when the molten rock cools rapidly, preventing mineral crystals from developing. Glassy texture is typically seen in obsidian, a type of volcanic glass.
How can you decide if a rock is sedimentary igneous or metamorphic?
igneous is black and smooth metamorphic is magnetic and sedimentary is used as cement
What is a glasslike ignous rock often black in color?
Obsidian is a glasslike igneous rock that is often black in color. It forms when lava cools quickly with minimal crystal growth, resulting in a smooth, glassy texture. Obsidian is commonly used in jewelry and decorative objects due to its shiny appearance.
