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What texture of obsidian?
Obsidian is an extrusive rock that cooled very rapidly without forming crystals. As a result, obsidian has a smooth, shiny texture of a thick piece of glass.
What texture does obsidian have?
A glassy texture.
What is smooth glassy lava called?
Smooth glassy lava is called obsidian. It forms when lava cools quickly, preventing crystals from forming, resulting in a glassy texture. Obsidian is typically black in color but can also appear in various shades of brown, green, or red.
How is obsidian dependent to minerals?
how is obsidian dependent on minerals
What is the name of a smooth glassy black ingeous rock?
Obsidian
What texture of obsidian?
Obsidian is an extrusive rock that cooled very rapidly without forming crystals. As a result, obsidian has a smooth, shiny texture of a thick piece of glass.
What igneous rock has no visible crystals?
Obsidian is an igneous rock that has no visible crystals due to its rapid cooling process, which prevents crystal formation. It is often dark in color and has a glassy appearance.
What is dark glassy volcanic rock called?
obsidian
Smooth glassy rock?
A smooth glassy rock may be an obsidian, which forms from rapidly cooling lava. Obsidian has a shiny, smooth texture and can be black, dark green, or brown in color. It is commonly used for ornamental purposes and in making tools due to its sharp edges when fractured.
What texture does obsidian have?
A glassy texture.
Is it Obsidian a natural gas?
Obsidian is a type of glassy lava not a gas.
What is a glassy grained extrusive rock?
Obsidian.
Obsidian is a glassy form of?
Extruded lava.
What is a glassy rock?
Glassy rocks are rocks that have cooled and solidified quickly, without forming crystals. This rapid cooling prevents mineral crystals from growing, resulting in a smooth and glass-like texture. Obsidian and pumice are examples of glassy rocks.
Where does obsidian rock cools down?
Obsidian is an glassy, extrusive, igneous rock that is found in areas that have experienced rhyolitic eruptions. Obsidian is formed when the rhyolitic lava comes into contact with water. This quick-cooling results in the glassy texture of obsidian.
What is smooth glassy lava called?
Smooth glassy lava is called obsidian. It forms when lava cools quickly, preventing crystals from forming, resulting in a glassy texture. Obsidian is typically black in color but can also appear in various shades of brown, green, or red.
What is a glassy fine-graind extrusive rock?
obsidian
