Lump Stones

At Rubel Mineral, lump stone serves as a vital raw material in the calcium carbonate (CaCO₃) processing industry. Extracted from the pure white limestone quarries of Yen Bai province, these stones are known for their exceptional brightness, purity, and consistency—a benchmark in Vietnam and across Asia.

Product Description:

Rubel’s lump stone is a naturally occurring white limestone with a diameter ranging from 30 to 40 cm. After mining, each stone undergoes a strict classification and selection process, where all impurities are carefully removed to retain only the highest quality material. This ensures the maximum whiteness and brightness essential for industrial applications.

Applications:

Lump stone is primarily used as a core input for producing high-grade CaCO₃ stone powder, which is widely utilized in industries such as: