Our Services
At Goldstar Minerals Global Ltd, we specialize in accurate, reliable, and ethical testing, refining, and logistics of precious metals and minerals. Whether you’re a miner, trader, or investor, our certified laboratory and experienced professionals ensure that your gold, silver, and diamond assets are thoroughly tested and refined to international standards. We also provide secure global logistics to move your valuables safely and efficiently.
Explore our core services below and discover how we can support your precious metals journey with integrity and excellence.
Gold Testing
Our gemologists use advanced techniques to test and evaluate gemstones including Gold, Silver and Diamonds, providing detailed reports on quality and value, empowering clients to make informed asset decisions.
Red and Black Mercury Testing
We offer professional testing services for both Red and Black Mercury, substances commonly used in industrial and specialized scientific applications. Given the high value and sensitivity of these materials, our laboratory uses advanced methods to verify the authenticity, purity, and concentration of mercury samples submitted for analysis.
Refining Services
Goldstar Minerals Global Ltd. offers top-notch refining services for precious metals such as gold, silver, platinum, and diamond. Our refining process is designed to transform raw or scrap metal into high-quality, pure, and valuable metals. We use the latest technology and equipment to refine metals to the highest level of purity, ensuring that the metals meet the required standards. Our expertise in refining precious metals has made us a trusted partner for individuals and businesses in the precious metals industry.
Assaying
We specialise in the traditional Fire Assay Method, also known as the Cupellation Method, to determine the concentration of Gold. The technique uses Titration and Inductive Coupled Plasma or ICP to determine the purity of metals with very high precision. X-ray Fluorescence is used to determine the elements present inside the alloys. ICP is also used to verify the purity of scrap gold that cannot be detected by fire assay due to the influence of contamination group elements. It is also used to cross-check the final product and results to determine the chemical concentration and company waste chemical specifications for disposal or reuse.
Smelting Services
As the leading gold refinery in Kenya, Goldstar Minerals Global Ltd. offers a full spectrum of smelting services to suit our client’s requirements. Our state-of-the-art facilities coupled with our team of experts enable us to simultaneously process huge lots of gold while ensuring the highest quality standards and the shortest turnaround times at a very competitive premium to internationally accepted quality standards. We offer smelting services to help our clients turn their gold into high-quality bullion bars, which can be easily transported and traded.
Gold Trading
Goldstar Minerals Global Ltd. offers trading services to our clients. We buy and sell precious metals, including gold, silver, platinum, and other precious metals, at competitive prices. We have worked with various countries in Africa including: Zambia, Guinea, Cameroon, Sierra Leone, Ghana, Guinea Bissau, DRC (Goma and Kinshasa) South Africa, Burundi, Rwanda, Tanzania, Somalia, Uganda, South Sudan and Egypt.