MEM19003
Handle gem materials


Application

This unit of competency defines the skills and knowledge required to safely handle a variety of gem materials and identify the condition and features of gem materials.

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: 2


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

Handle gem materials

2.1

Select tools and equipment to observe gem materials

2.2

Observe the physical properties, techniques and results of gem materials

2.3

Identify requirements for protection and storage of gem materials

2.4

Handle gem materials to minimise risk of damage

3

Record and compare general observations

3.1

Record observations and compare with reference materials

3.2

Interpret results

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

Tools and equipmentinclude one (1) or more of the following:

tweezers and 10x loupe

ultrasonic cleaner

measuring gauges

Techniques and results include one (1) or more of the following:

prior enhancing treatments

imperfections

weaknesses

Reference material includes one (1) or more of the following:

charts

lists

graphs

diagrams

other control material


Competency Field

Jewellery and horological