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Is pyroxene a mineral or rock?
Pyroxene is a group of minerals.
Is it true that foliated metamorphic rocks have mineral grains that are randomly placed?
No, foliated metamorphic rocks have mineral grains that are aligned in parallel layers or bands due to the pressure and temperature conditions during their formation. This alignment gives foliated rocks their characteristic layered appearance.
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 mineral composition is most characteristic of mafic rocks?
olivine, pyroxene, and calcium-rich plagioclase
What are foliation and banding?
Foliation is a parallel arrangement of mineral grains or structural features in a rock, usually resulting from the application of directed pressure during metamorphism. Banding refers to the visible layers or stripes of different mineral composition or color in a rock, typically formed due to variations in mineral content or processes of deposition. Both foliation and banding provide valuable information about the history and formation of the rock.
Which rock is foliated shows mineral alignment but not banding and contains medium sized grains of quartz and pyroxene?
shist
Is pyroxene a mineral or rock?
Pyroxene is a group of minerals.
Is pyroxene good for arthritis?
No. Pyroxene is a crystalline silicate mineral.
What is mineral alignment?
the alignment of a mineral structure
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.
What unique factor about the arrangement of mineral crystals occurs in many metamorphic rocks?
Foliation, which is the alignment of mineral crystals in a parallel fashion, is a unique factor in the arrangement of mineral crystals in many metamorphic rocks. This alignment forms due to the intense pressure and temperature conditions during the rock's formation, resulting in a distinct layering or banding within the rock.
Is it true that foliated metamorphic rocks have mineral grains that are randomly placed?
No, foliated metamorphic rocks have mineral grains that are aligned in parallel layers or bands due to the pressure and temperature conditions during their formation. This alignment gives foliated rocks their characteristic layered appearance.
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.
