As an Assayer, you will need to master following:

• apply safety procedures in laboratory
• chemical processes
• identify customer's needs
• maintain ore processing equipment
• metal and metal ore products
• separate metals from ores
• test raw minerals

More generally, an assayer is also versed in:

• analytical chemistry
• characteristics of precious metals
• chemistry
• good laboratory practice
• handle chemicals
• laboratory techniques
• perform laboratory tests
• precious metals
• statistics
• use chemical analysis equipment

It also helps to know the following:

• heat jewellery metals
• jewellery processes
• label samples
• manufacturing of jewellery
• geology
• manage chemical testing procedures
• physics
• prepare chemical samples
• record test data
• report test findings
• supervise laboratory operations