Application
This unit of competency defines the skills and knowledge required to safely handle a variety of gem materials and examine gems to determine physical and chemical properties.
Emphasis is placed on knowledge of the principles of gemmology, gemstone and diamond nomenclature, gemstone processing enhancement and repair, and appreciation of gemstone qualities.
This unit applies to an individual working autonomously in a jewellery manufacturing environment and guided by strict rules of procedure.
Note: The competencies covered by this unit do not include the requirement to perform accurate and positive gemstone identifications.
No licensing, legislative or certification requirements apply to this unit at the time of publication.
Band: A
Unit Weight: 6
Elements and Performance Criteria
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. | ||
1 | Determine job requirements | 1.1 | Follow standard operating procedures (SOPs) |
1.2 | Comply with work health and safety (WHS) requirements at all times | ||
1.3 | Use appropriate personal protective equipment (PPE) in accordance with SOPs | ||
1.4 | Identify job requirements from specifications, job sheets or work instructions | ||
2 | Perform gemstone examinations and handle gem materials | 2.1 | Select examination methods and equipment appropriate to the gem material and examination requirements |
2.2 | Prepare equipment and specimen | ||
2.3 | Apply handling measures appropriate to gem material | ||
2.4 | Identify the physical and optical properties of gem materials | ||
2.5 | Record and verify examination results | ||
2.6 | Prepare examination results and record conclusions with supportive evidence | ||
Foundation Skills
This section describes those required skills (reading, writing, oral communication and numeracy) that are essential to workplace performance in this unit of competency.
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.
Range Statement
This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. | |
Gem materials include one (1) or more of the following: | natural (including diamonds) composite synthetic imitation treated |
Equipment includes one (1) or more of the following: | 10x loupe tweezers refractometer UV light microscope thermal probes |
Competency Field
Jewellery and horological