The composition of pearl is very much similar to that of
A) Mantle layer
B) Nacreous layer only
C) Prismatic layer only
D) Both b and c
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The composition of pearl is very much similar to that of the nacreous layer only.
What is the composition of a pearl?
- A pearl is composed of CaCO3 known as calcium carbonate.
- The mixture is mainly composed of aragonite and calcite.
- It is deposited in the concentric layers of the mixture and is similar to the nacreous layer.
- Furthermore, a pearl has a round shape and a smooth texture.
- There are many other shapes of the pearl as well but mostly it has a round shape.
- Some other types of pearls such as baroque can also occur in nature.
Option B is correct.
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What is the composition of matter?
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Concept Introduction:
Minerals are inorganic solids with crystalline structures and fixed chemical compositions that vary only within rigid limits.
Explanation:
The mineral aragonite, consisting of calcium carbonate crystallizing in an orthorhombic structure, makes up pearls.
Pearls are made from organic mineral mixtures formed from soft living tissue found in shelled mollusks.
The correct is option is B) Nacreous layer only
Final Answer:
The correct is option is B) Nacreous layer only
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