Question:
What is the hardest mineral?
What is the hardest mineral?
Show Hint
Think of the saying "diamonds are forever" and their exceptional hardness.
Updated On: May 6, 2025
- \( \text{Diamond} \)
- \( \text{Feldspar} \)
- \( \text{Tale} \)
- \( \text{Quartz} \)
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Diamond is the hardest naturally occurring mineral, ranking 10 on the Mohs Hardness Scale. Feldspar has a hardness of 6, talc has a hardness of 1, and quartz has a hardness of 7 on the Mohs scale.
Was this answer helpful?
0
0
Top Questions on Minerals and Rocks
- "Petroleum is referred to as liquid gold." Explain the statement.
- CBSE CLASS XII - 2025
- Geography
- Minerals and Rocks
- Arrange the following copper mines of Rajasthan from north to south as per their locations and choose the correct option:
i. Bhilwara
ii. Khetri
iii. Udaipur
iv. Alwar
- CBSE CLASS XII - 2025
- Geography
- Minerals and Rocks
- Which of the following statements are correct related to underground mining method? Choose the correct option:
i. It is used when the ore lies deep below the surface.
ii. It is the easiest and cheapest mining method.
iii. It requires specially designed lift and drills.
iv. It is also known as shaft method.
- CBSE CLASS XII - 2025
- Geography
- Minerals and Rocks
- Arrange the following iron-ore mines of India from south-west to north-east direction of their locations and choose the correct option:
i. Bailadila
ii. Mayurbhanj
iii. Ballari
iv. Kudremukh
- CBSE CLASS XII - 2025
- Geography
- Minerals and Rocks
- Read the following statements related to ‘surface mining’ carefully and choose the correct option:
i. It is the cheapest and the safest way of mining minerals.
ii. Its output is large and rapid.
iii. It is used to extract minerals from deeper part.
iv. It is also known as open cast mining.
- CBSE CLASS XII - 2025
- Geography
- Minerals and Rocks
View More Questions
Questions Asked in AP PGECET exam
- Let \( z \) be a complex variable and \( C : |z| = 3 \) be a circle in the complex plane. Then,\[ \oint_C \frac{z^2}{(z - 1)^2(z + 2)} \, dz = \]
- AP PGECET - 2025
- Complex numbers
- If \( \vec{F}(x, y, z) = 3x^2y\,\hat{i} + 5y^2z\,\hat{j} - 8xyz\,\hat{k} \) is a continuously differentiable vector field, then the curl of \( \vec{F} \) at (1,1,1) is ...............
- AP PGECET - 2025
- Calculus
- Let \( f(x) = x^3 - \dfrac{9}{2}x^2 + 6x - 2 \) be a function defined on the closed interval \([0, 3]\). Then, the global maximum value of \( f(x) \) is ...............
- AP PGECET - 2025
- Calculus
- For a stable closed loop system, the gain at phase crossover frequency should always be:
- AP PGECET - 2025
- Control Systems
- If the matrix \[ A = \begin{pmatrix} 3 & -1 & 1 \\ -1 & 5 & -1 \\ 1 & -1 & 3 \end{pmatrix} \] has three distinct eigenvalues, and one of its eigenvectors is \[ \begin{pmatrix} 1 \\ 0 \\ -1 \end{pmatrix}, \] then which of the following can be another eigenvector of \( A \)?
- AP PGECET - 2025
- Linear Algebra
View More Questions