Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver.
Copper is a chemical element that is also a metal. Its key properties are that it has excellent electrical conductivity, high thermal conductivity, and good corrosion resistance.
Silica sand, also known as quartz sand, is a common raw material used in various industrial applications such as glass manufacturing, casting, hydraulic fracturing, and water filtration.
Iron ore’s versatility and strength make it a fundamental component in numerous industrial applications. It is the backbone of steel production, construction, and various manufacturing processes.
Copper is a chemical element that is also a metal. Its key properties are that it has excellent electrical conductivity, high thermal conductivity, and good corrosion resistance.
Bauxite is the world’s primary source of aluminum, formed from weathered rocks in tropical regions. It contains minerals like gibbsite, boehmite, and diaspore, refined through the Bayer Process to produce alumina, later smelted into aluminum.
Timber is widely used in construction, furniture, flooring, and plywood production, supplying major markets across Asia, Europe, and the Middle East. Sustainable forest management and value-added processing strengthen Indonesia’s employment, trade, and rural development.