Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 1 (Q.No. 4)
4.
Pick up the polymineralic rock from the following:
Answer: Option
Explanation:
Granite is a polymineralic rock, which means it is composed of a mixture of minerals. Granite is typically made up of quartz, feldspar, and mica, as well as smaller amounts of other minerals. The different minerals in granite give it a variety of colors and patterns, ranging from white to pink to black.
Discussion:
38 comments Page 3 of 4.
Alagucivil said:
1 decade ago
What is quartz & mica?
Manjupriya said:
1 decade ago
Then what about Pure gypsum and Magnesite?
Shalu said:
1 decade ago
Magnesite is a mineral not a rock and pure gypsum is also a mineral (composed of sulphate i.e. CaS04.2H20).
Quartzite is monomineralic consisting quartz, whereas granites have quartz, feldspar & mica.
Quartzite is monomineralic consisting quartz, whereas granites have quartz, feldspar & mica.
Rash said:
1 decade ago
Composition of granite:
SiO2 72.04% (silica).
Al2O3 14.42% (alumina).
K2O 4.12%
Na2O 3.69%
CaO 1.82%
FeO 1.68%
Fe2O3 1.22%
MgO 0.71%
TiO2 0.30%
P2O5 0.12%
MnO 0.05%
SiO2 72.04% (silica).
Al2O3 14.42% (alumina).
K2O 4.12%
Na2O 3.69%
CaO 1.82%
FeO 1.68%
Fe2O3 1.22%
MgO 0.71%
TiO2 0.30%
P2O5 0.12%
MnO 0.05%
CIVILX said:
1 decade ago
Granite consists of QUARTZ, MICA, FELDSPAR.
Venkatesh said:
1 decade ago
Granite consists of Quartz, Mica, Feldspar.
Viswa said:
1 decade ago
Granite is a material which is hard and durable so it is known as polymineralic.
Veerendra kumar said:
1 decade ago
Polymer rock is a very hard and durable.
Yuvaraj said:
1 decade ago
Granite is an igneous Rock.
Swathi said:
1 decade ago
An example of a monomineralic rock is quartzite, which is composed of only quartz. An example of a polymineralic rock is granite, which is typically composed of quartz, feldspar, and mica.
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