Gemmologist II - 2 Posts at Public Service Commission Kenya (PSCK)

For appointment to this grade, a candidate must have:-

• a Bachelors degree in Geology, Earth Sciences, Chemistry, Mineral Processing or Materials Engineering from a university recognized in Kenya; and
• proficiency in using gemological testing instruments

Duties and Responsibilities
Duties and responsibilities will include: -

• examining and identifying minerals using basic, standard, and advanced mineral testing equipment;
• collecting, analyzing, and interpreting mineralogical data to support effective resource management and decision-making;
• assisting in grading and valuing gemstones to determine and enhance their market value;
• safely processing, pulverizing, and homogenizing incoming ore and mineral samples for laboratory analysis;
• performing routine quantitative analyses using XRF (X-ray Fluorescence), XRD (X-ray Diffraction), and spectrometer systems;
• calibrating and maintaining sensitive laboratory instruments, ensuring accurate results and complete batch chain-of-custody documentation;
• evaluating rough gemstones to estimate weight recovery and maximize polished gemstone yield; and
• performing and supervising precision gemstone processing, including sawing, pre-forming, faceting, and cabochon cutting.