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Rhyolite is a type of igneous felsic rock. It is known for its gray and variable texture that can be glassy, porphyritic, or aphanitic. It can be a combination of minerals like plagioclase, sanidine, or quartz with additional minerals like hornblende or biotite.
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoLuster is a property of minerals. Although rhyolite is composed of minerals, it is a rock so it isn't classified in this way.
Wiki User
∙ 13y ago1.It is extrusive volcanic rock
2.it white,grey or black in color
3.it has fine grained or aphanatic texture
Wiki User
∙ 13y agoAphanitic texture for the most part i would say... but if you have a picture then i would be able to give you a better and more firm answer
Wiki User
∙ 14y agoRhyolite is a fine grained extrusive igneous rock that most often is composed of mineral crystals that are not visible to the naked eye.
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Is Rhyolite Porphyry an intrusive or extrusive rock?
Rhyolite is a felsic volcanic rock.
Is rhyolite monomineralic or polymineralic?
polymineralic igneous rock!
Is rhyolite a rock or mineral?
It is a volcanic rock.
What kind of rock is a rhylite rock?
Rhyolite is an igneous rock.
Rhyolite is an example of a?
A rhyolite volcano is a volcano that erupts rhyolitic lava or pyroclasitc material. Rhyolite is an igneous rock formed from the eruption of extremely viscous silica rich material. Eruptions involving rhyolite can be extremely large and violent. In some cases, however, rhyolite can build into lava domes or form thick, extremely slow lava flows.
Is Rhyolite Porphyry an intrusive or extrusive rock?
Rhyolite is a felsic volcanic rock.
Is rhyolite a metamorphic rock?
No. Rhyolite is an extrusive igneous rock.
Is rhyolite monomineralic or polymineralic?
polymineralic igneous rock!
How old is rhyolite rock?
Rhyolite can be any age.
Is rhyolite an polymerization sedimentary rock?
No, rhyolite is a silica-rich volcanic or igneous rock.
Which is an igenous rock limestone rhyolite slate or shale?
Rhyolite.
How is rhyolite categorized?
Rhyolite is a felsic extrusive igneous rock.
How do you determine whether a rock is a rhyolite or an andesite?
The composition of the rock will determine whether it is a rhyolite or an andesite.
What is rock luster?
Rock Luster is the streak a rock makes.
What is definition of the word rhyolite?
Rhyolite is an igneous, black volcanic rock.
Is rhyolite a rock or mineral?
It is a volcanic rock.
Which volcanic rock has the highest level of silicon dioxide rhyolite or basalt?
Rhyolite.
