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Q: What indicates that a cubic centimeter of quartz olivine and gold weighs 2.5 3.0 and 19.8 grams respectively?
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What does this indicates A cubic centimeter of quartz olivine and gold weighs 2.5 3.0 and 19.8 grams respectively?

It indicates the density of each material. Density is a measure of how much mass is contained in a given volume. The higher the density, the heavier the material will be for a given volume.


Is olivine more stable and weathering faster than quartz?

Following Goldich Dissolution Series (Or going backwards by Bowen's Reaction Series), olivine weathers before Quartz. Quartz has a framework silicate structure and olivine has a isolated silicate structure.


Why would you would you not find quartz or olivine in the same igneous rock?

Quartz and olivine have different crystallization temperatures, with olivine forming at higher temperatures than quartz. This means that in most cases, olivine and quartz are not typically found together in the same igneous rock as they would have crystallized at different stages in the cooling process. Olivine is a common mineral in mafic rocks (rich in magnesium and iron) while quartz is more common in felsic rocks (rich in silica).


Which would weather faster olivine or quartz?

Olivine would weather faster than quartz because it is less stable chemically and more prone to reactions with water and acids from the environment. Quartz, being a more resistant mineral, is more durable and less susceptible to weathering processes.


What is plagioclase feldspar with quartz and olivine?

Plagioclase feldspar is a common mineral in igneous rocks, while quartz is a mineral often found in a variety of rocks. Olivine is a green mineral commonly found in mafic igneous rocks. When all three minerals are present in a rock, it typically indicates a mafic igneous rock such as basalt or gabbro.


Does Olivine contain more silica than quartz?

No, quartz contains more silica than olivine. Quartz is made up of silicon dioxide (SiO2), which is about 46.7% silicon and 53.3% oxygen, while olivine is a magnesium iron silicate (Mg,Fe)2SiO4, containing less silica.


What mineral scratches dolomite but it scratched by olivine?

Quartz scratches dolomite but is scratched by olivine. Dolomite has a Mohs hardness of 3.5-4, while quartz has a hardness of 7. Olivine, on the other hand, has a higher hardness of 6.5-7.


Which mineral scratches dolomite and is scratched by olivine?

Quartz scratches dolomite, while olivine scratches pyroxene.


Why does olivine whether faster than quartz?

Olivine weathers faster than quartz because it is less chemically stable when exposed to water and carbon dioxide in the atmosphere, leading to faster breakdown and weathering processes. Olivine is also more susceptible to chemical reactions and alteration compared to quartz, which is a more inert and resistant mineral.


What minerals are common in both felsic and marfic igneous rocks?

Biotite and muscovite micas, quartz, magnetite, olivine, amphiboles, and feldspars.


Are Olivine and quartz commonly found together in the same rock?

Yes, olivine and quartz are not commonly found together in the same rock. Olivine typically forms in mafic and ultramafic rocks like basalt and peridotite, whereas quartz is common in felsic rocks like granite. The two minerals have different chemical compositions and are usually associated with different rock types.


True or False Olivine and quartz commonly crystallize together from mafic or basaltic magmas?

False. Olivine and quartz have different crystallization temperatures and are usually not found together in the same rock. Olivine typically crystallizes from mafic or basaltic magmas, while quartz forms from felsic magmas.