0
quartz, plagioclase and alkali feldspars
Christop Hodkiewicz
Add your answer:
Earn +20 pts
What is inside pumice?
Air, and pumice. If you want to know what minerals, silica is a big one, 50-70% of pumice is silica. Pumice is cooled magma, so look up the mineral composition of magma for more minerals.
What is the chemical composition of Pumice?
There is none. Pumice is a mixture.
Is pumice a stone or mineral?
Pumice is a type of extrusive volcanic rock, produced when lava with a very high content of water and gases (together these are called volatiles) is extruded (or thrown out of) a volcano. Pumice is not a mineral because it does not have a definite composition and lacks a crystalline structure.
Why is pumice white not black?
Pumice can vary in color from white to gray to black. Much of it has to do with the chemical composition. Felsic varieties are most commonly light in color. Mafic varieties can be darker in color.
What do obsidian pumice rhyolite and granite have in common?
They are similar in composition
What are facts about Pumice?
Pumice is a volcanic rock that forms when a volcano ejects "foamy" lava. The gas bubbles remain in place after the rock solidifies. One of Pumice's most notable characteristics is that it will float in water.
What is mt vesuvius composition?
Mount Vesuvius' magma is comprised mostly of pumice stone. It is low density molten rock that erupts at a high temperature.
What is mount etna magma composition?
Mount Vesuvius' magma is comprised mostly of pumice stone. It is low density molten rock that erupts at a high temperature.
What is Pumice rated on the Mohs Hardness Scale?
It depends on the definition of 'hard' or 'soft'. The minerals composing pumice may be quite hard, but due to the thinness of its vesicular walls, it can comparatively easily be crushed or fractured.
Is pumice white or is pumice gray?
Pumice can be white, gray, or even pink.
Is pumice magnetic?
No. Pumice is not magnetic.
Is pumice organic?
No. Pumice is inorganic.
