Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 1 (Q.No. 4)
4.
Pick up the polymineralic rock from the following:
Quartz sand
Pure gypsum
Magnesite
Granite
None of these.
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.

Rony said:   9 years ago
Granite is the rock which is made of more than two minerals.

Imran said:   9 years ago
Gneiss, Basalt, Trape and feldspar rock.

Samim said:   9 years ago
What is the different between mineral and rock?

Bhavesh said:   9 years ago
Polymineralic means two are more mineral, which consists of one mineral.

Nawaz Ikram said:   10 years ago
Poly means more than 2 (bi) mineralic means composed mineral. Hence polymineralic rock means a rock composed of more than 2 minerals.

Composition of typical granite is Quartz, feldspar* and mica.

* is the most abundant mineral on the earth crust.

Jyothi said:   10 years ago
Polymineralic rock means two or more minerals.

It consists of quartz, feldspar and mica.

Srinivas said:   10 years ago
This rock is formed due to solidification of magma below the earth surface.

Alagucivil said:   1 decade ago
What is quartz & mica?

Yuvaraj said:   1 decade ago
Granite is an igneous Rock.

Veerendra kumar said:   1 decade ago
Polymer rock is a very hard and durable.


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