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What mineral composition is most characteristic of mafic rocks?
olivine, pyroxene, and calcium-rich plagioclase
Is pyroxene a mineral or rock?
Pyroxene is a group of minerals.
Which mineral pyroxene or orthoclase crystallizes from magma first?
Usually pyroxene crystallizes from magma before orthoclase. Pyroxene has a higher melting point than orthoclase, so it will crystallize first as the magma cools and reaches temperatures where pyroxene can form.
Which mineral is an ore of iron and has a characteristic of reddish brown streak?
The mineral is hematite.
What is the characteristic of a mineral that is revealed by testing what substances can scratch it and what the mineral can scratch?
it is hardness
What mineral composition is most characteristic of mafic rocks?
olivine, pyroxene, and calcium-rich plagioclase
Is pyroxene a mineral or rock?
Pyroxene is a group of minerals.
Is pyroxene good for arthritis?
No. Pyroxene is a crystalline silicate mineral.
Does pyroxene mineral have cleavage or fracture?
Yes.
What is pyroxene mineral used for?
There are a number of ways that pyroxene mineral is used. It is used for carvings commonly and the manufacture of lithium salts among other uses.
Is pyroxene a mineral?
A pyroxene is any of a group of crystalline silicate mineral common in igneous and metamorphic rocks.
What is the streak color for the mineral?
The streak color will vary depending on the type of pyroxene mineral.
Can pyroxene ever be a sedimentary rock?
no, Pyroxene is a Mineral not a rock. Rocks are made up of 2 or more minerals
Which mineral pyroxene or orthoclase crystallizes from magma first?
Usually pyroxene crystallizes from magma before orthoclase. Pyroxene has a higher melting point than orthoclase, so it will crystallize first as the magma cools and reaches temperatures where pyroxene can form.
What is the mineral of andesite?
plagioclase feldspar, pyroxene, horneblende (amphibole)
Which mineral will scratch fluorite galena and pyroxene?
Quartz would be able to scratch fluorite, galena, and pyroxene as it is harder than these minerals on the Mohs scale of hardness.
Is augite a igneous mineral?
Augite is a type of pyroxene. It is a common mafic-intermediate igneous mineral, but can also be found in some metamorphic rocks.
