1. What is Specific Gravity of Granite?

Definition: Specific gravity (SG) is a dimensionless quantity that compares the density of granite to the density of water.

Purpose: It helps in identifying rock types, assessing quality, and calculating porosity in geological and construction applications.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( SG \) — Specific gravity (unitless)
• \( \rho \) — Density of granite (kg/m³)
• \( \rho_{water} \) — Density of water (1000 kg/m³ at 4°C)

Explanation: The granite density is divided by water density to get the specific gravity ratio.

3. Importance of Specific Gravity

Details: Specific gravity helps determine:

• Rock quality and composition
• Suitability for construction projects
• Porosity and water absorption characteristics
• Material strength and durability

4. Using the Calculator

Tips:

• Enter granite density (typical range 2600-2750 kg/m³)
• Water density is typically 1000 kg/m³
• All values must be > 0

5. Frequently Asked Questions (FAQ)

Q1: What is the typical specific gravity of granite?
A: Most granite has specific gravity between 2.6-2.7, meaning it's 2.6-2.7 times denser than water.

Q2: Why use water as the reference?
A: Water is used because it's a universal standard with consistent properties at standard conditions.

Q3: How does temperature affect the calculation?
A: Water density changes slightly with temperature, but the standard reference is 1000 kg/m³ at 4°C.

Q4: What affects granite's specific gravity?
A: Mineral composition, porosity, and moisture content can all influence the specific gravity.

Q5: How is this used in construction?
A: Higher specific gravity generally indicates denser, stronger granite suitable for load-bearing applications.