Malachite and azurite are used respectively are:

Options

A. Blue and green pigment
B. Red and green pigment
C. Green and blue pigment
D. Green and red pigment

Answer

To solve the question regarding the uses of malachite and azurite, we can follow these steps:

### Step 1: Identify the minerals
First, we need to understand what malachite and azurite are. Both are copper minerals, but they have different colors and properties.

### Step 2: Determine the color of azurite
Azurite is known for its deep blue color. It is a soft mineral that is often used as a pigment due to its vibrant hue.

### Step 3: Determine the color of malachite
Malachite, on the other hand, is characterized by its green color. It is also used as a pigment and is often found in association with azurite due to weathering processes.

### Step 4: Analyze the options
Now, we analyze the provided options:
- Blue and green pigment
- Red and green pigment
- Green and blue pigment
- Green and red pigment

### Step 5: Match the colors to the options
From our previous steps, we know:
- Azurite = Blue pigment
- Malachite = Green pigment

Thus, the correct pairing is blue and green.

### Step 6: Select the correct answer
Based on our analysis, the correct answer is:
**Green and blue pigment** (Option C).