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Obsidian.

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14y ago

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Related Questions

What is Lava that flows slowly to form a glassy surface with rounded wrinkles called?

The lava is pahoehoe Lava.


Lava that flows slowly to form a glassy surface with rounded wrinkles is called?

The lava is pahoehoe Lava.


What is the smooth lava flow called?

The smooth and shiny lava is called pahoehoe.


Lava that forms smooth ropelike coils when it hardens is called?

Pahoehoe


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.


Is obsidian rapidly cooling?

Yes that is why it makes that glassy look to it.


What is smooth lava called?

Obsidian.


Obsidian is a glassy form of?

Extruded lava.


Is the resulting texture of extremely rapid cooling of lava in which no crystals form?

The resulting texture of extremely rapid cooling of lava, where no crystals form, is known as glassy or obsidian texture. This type of texture is smooth, with no visible crystal structures, and can appear shiny or reflective. Glassy textures typically form when lava cools very quickly at the Earth's surface or in water.


What type of volcanic rock is extremely vesicular and glassy?

Obsidian is a type of volcanic rock that is extremely vesicular and glassy in appearance. It forms when lava cools quickly with minimal crystal growth, resulting in a smooth texture and shiny appearance.


What is the resulting texture of igneous rock that is formed from extremely rapid cooling lava in which no crystals form?

The resulting texture is called glassy. This texture forms when lava cools so quickly that no crystals have time to grow, resulting in a smooth, glass-like appearance.


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.