Unit of competency Outline

Date retreived
23/07/2026 5:12 AM AWST

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Use a faceting machine

Use a faceting machine

Unit of competency
National Code
MEM19063
State Code
OEX63
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
19/12/2022
View on TGA
State Implementation and Classification
Approved Date
19/04/2023
Field of Education
100307 - Jewellery Making
Original Release Date
19/04/2023
Nominal Hours
36
Description
This unit of competency defines the skills and knowledge required to use a faceting machine to facet gemstones including pre-forming, cutting and polishing a selected stone. The machine may be used to produce a traditional faceted gemstone and complete a range of other tasks, such as making cubes from gemstone material. It is based on deleted unit CUVOPA403A Use a faceting machine.This unit applies to individuals processing gemstones in a small or large-scale production context. They work in accordance with established procedures. No licensing, legislative or certification requirements apply to this unit at the time of publication.Band: BUnit Weight: 4
Notes
Elements and Performance Criteria
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 Identify job requirements from specifications
2. Prepare to use faceting machine
  • 2.1 Set up faceting machines to manufacturer’s specifications identifying machine components and laps
  • 2.2 Complete manufacturer’s maintenance checklist
  • 2.3 Investigate index wheels for quill and identify main and critical angles for gemstones
  • 2.4 Select piece of gemstone suitable for faceting according to a chosen design pattern
  • 2.5 Pre-form using faceting machine or diamond wheels to establish rough shape of the gemstone
  • 2.6 Dop stone, using the appropriate adhesive for gemstone material
3. Grind and polish pavilion
  • 3.1 Place dopped stone in quill and cut pavilion to a centre point
  • 3.2 Grind girdle to according to pattern instructions
  • 3.3 Grind main, girdle break and cutlet facets following pattern instructions
  • 3.4 Pre-polish and polish all pavilion facets including girdle
  • 3.5 Transfer stone to suitable dop
  • 3.6 Remove crown dop and place new dop and stone in faceting quill
4. Grind, pre-polish and polish crown
  • 4.1 Place girdle facet on lap at a 90-degree angle, main index setting
  • 4.2 Grind girdle break, main and table facets to meet job requirements
  • 4.3 Pre-polish and polish all facets and crown facets
  • 4.4 Remove stone from dop and clean with appropriate chemical agents
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