**Explanation:**

Kaolinite is a type of clay mineral that is commonly found in soils and rocks. It is known for its unique properties, including its plasticity.

**Plasticity:**
- Plasticity refers to the ability of a material to undergo permanent deformation without breaking or cracking.
- Kaolinite exhibits plasticity, which means that it can be shaped or molded into different forms without losing its structural integrity.
- This property is particularly important in the field of civil engineering, as it allows kaolinite to be used in various construction applications, such as making bricks, tiles, and ceramics.

**Shrinkage Limit:**
- The shrinkage limit is a property of soils that refers to the moisture content at which further loss of moisture does not cause any significant reduction in volume.
- While kaolinite does not exhibit the specific characteristic of the shrinkage limit, it is often used in studies and tests related to soil shrinkage due to its abundance and widespread distribution.
- The presence of kaolinite in soil can affect its shrinkage behavior, as kaolinite particles can absorb and release water, leading to changes in volume.

**Conclusion:**
- In conclusion, kaolinite exhibits the characteristic of plasticity.
- This property allows kaolinite to be easily molded and shaped, making it a valuable material in various construction applications.
- While kaolinite is not specifically known for its shrinkage limit, its presence in soil can affect the shrinkage behavior of the soil due to its ability to absorb and release water.