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What is a silicate with surfaces that meet nearly at right angles?
A mineral with surfaces meeting nearly at right angles is orthoclase Feldspar. It is a common silicate mineral found in igneous and metamorphic rocks. Its crystal structure forms a framework with cleavage planes meeting at approximately 90 degrees.
Is augite a silicate?
Yes, technically it's an inosilicate, but still, a silicate.
What is the chemical formula of peridotite?
The chemical formula of peridotite is typically described as (Mg, Fe)2SiO4, which represents the main mineral components olivine and pyroxene. It is a common rock found in the Earth's upper mantle.
What is the chemical formula for Gabbro?
Gabbro rock is in the same family as Basalt rock and there for has similar chemical composition. Basalt is nearly half composed of silica and has other minerals in much smaller percentages such as titanium dioxide, iron oxide, aluminum and magnesium.
What is the opposite of a mineral?
The opposite of a mineral would be a non-mineral or a substance that is not classified as a mineral, such as organic matter or man-made materials.
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.
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.
What mineral composition is most characteristic of mafic rocks?
olivine, pyroxene, and calcium-rich plagioclase
Which mineral scratches dolomite and is scratched by olivine?
Quartz scratches dolomite, while olivine scratches pyroxene.
