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How could the mineral quartz be in an igneous rock and sedimintary rock?
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Is Amethyst an igneous or metamorphic rock?
Amethyst is an igneous rock. It is quartz which has been stained purple by mineral impurities.
What igneous rock is made up of mica feldspar and quartz?
The list is long, but let's go with granite.
What mineral can scratch glass and be scratched by topaz?
Any mineral with a Mohs hardness of 7 or greater could scratch quartz. Examples would be quartz (7), topaz (Mohs 8), corundum (9), and diamond (10).
Does silica contain carbon?
They do not normally. Their chemical formula is SiO2 (silicon dioxide). However, the different colours of quartz follow when there are impurities in the mineral, and so carbon could be an impurity which can cause a certain colour of quartz.
What igneous rock is aphanitic texture?
These are igneous rocks that are too fine textured to an extent that there mineral grains or crystalline texture cannot be seen or distinguished with the necked or unaided eyes. They appear or occur as a whole single massive crystalline extrusive body of Igneous origin. Example is Obsidian.
How the mineral quartz could be in an igneous and in sedimentary rock?
quartz is a basic mineral and can be in any type of rock
How the mineral quartz could be in an igneous rock and in sedimentary rock?
quartz is a basic mineral and can be in any type of rock
How the mineral Quartz could be in an igneous rock and in a sedimentary rock.?
Because the rock feels like it beotch.
What group of rock does quartz belong to?
None of them. Quartz is a mineral, not a rock type. Quartz could be found among any of the three classifications of rock--igneous, sedimentary, or metamorphic.
How would the mineral quartz could be in an igneous rock and in a sedimentary rock?
Because the rock feels like it beotch.
Could quartz be considered a mineral?
Quartz is a mineral.
Is Amethyst an igneous or metamorphic rock?
Amethyst is an igneous rock. It is quartz which has been stained purple by mineral impurities.
What igneous rock is made up of mica feldspar and quartz?
The list is long, but let's go with granite.
Could a mineral have a crystal form but no cleavage?
Yes. Quartz can have very well-formed crystals but lacks cleavage.
What mineral can scratch glass and be scratched by topaz?
Any mineral with a Mohs hardness of 7 or greater could scratch quartz. Examples would be quartz (7), topaz (Mohs 8), corundum (9), and diamond (10).
Are pebbles igneous rocks?
Pebbles could be igneous, metamorphic, or sedimentary rocks.
What is a special mineral with crystals inside?
This could possibly refer to a geode, hollow round nodules with crystal linings, or it could refer to an inclusion, which is a transparent mineral that shows inclusions of another, eg. rutilated quartz.
