Apply advanced pre-cutting processes to complex opals

Formats and tools

Unit Description
Reconstruct the unit from the xml and display it as an HTML page.
Assessment Tool
an assessor resource that builds a framework for writing an assessment tool
Assessment Template
generate a spreadsheet for marking this unit in a classroom environment. Put student names in the top row and check them off as they demonstrate competenece for each of the unit's elements and performance criteria.
Assessment Matrix
a slightly different format than the assessment template. A spreadsheet with unit names, elements and performance criteria in separate columns. Put assessment names in column headings to track which performance criteria each one covers. Good for ensuring that you've covered every one of the performance criteria with your assessment instrument (all assessement tools together).
Wiki Markup
mark up the unit in a wiki markup codes, ready to copy and paste into a wiki page. The output will work in most wikis but is designed to work particularly well as a Wikiversity learning project.
Evidence Guide
create an evidence guide for workplace assessment and RPL applicants
Competency Mapping Template
Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners. A template for developing assessments for a unit, which will help you to create valid, fair and reliable assessments for the unit, ready to give to trainers and students
Observation Checklist
create an observation checklist for workplace assessment and RPL applicants. This is similar to the evidence guide above, but a little shorter and friendlier on your printer. You will also need to create a seperate Assessor Marking Guide for guidelines on gathering evidence and a list of key points for each activity observed using the unit's range statement, required skills and evidence required (see the unit's html page for details)

Self Assessment Survey
A form for students to assess thier current skill levels against each of the unit's performance criteria. Cut and paste into a web document or print and distribute in hard copy.
Moodle Outcomes
Create a csv file of the unit's performance criteria to import into a moodle course as outcomes, ready to associate with each of your assignments. Here's a quick 'how to' for importing these into moodle 2.x
Registered Training Organisations
Trying to find someone to train or assess you? This link lists all the RTOs that are currently registered to deliver CUVOPA407A, 'Apply advanced pre-cutting processes to complex opals'.
Google Links
links to google searches, with filtering in place to maximise the usefulness of the returned results
Books
Reference books for 'Apply advanced pre-cutting processes to complex opals' on fishpond.com.au. This online store has a huge range of books, pretty reasonable prices, free delivery in Australia *and* they give a small commission to ntisthis.com for every purchase, so go nuts :)


Elements and Performance Criteria

1. Identify type of opal rough

1.1 Undertake preliminary investigations before deciding how to proceed with cutting or carving the opal

1.2 Review current market requirements and consult with client to determine his/her preference for how opal could be cut

1.3 Based on knowledge of the geological formation of opal, field from which the opal came and past experience, determine the location of the colour within the rough opal

1.4 Discuss possible strategies for cutting with colleagues and client as required

1.5 Determine jewellers’ requirements for products being considered

1.6 Review the options for cutting and plan cut to achieve the best result

2. Block off the stone (boulder opal)

2.1 When working with boulder opal, use a series of cuts to block off stone to gain more information about position and quality of the opal present in the stone and determine best gem outcomes from that piece of boulder

2.2 Identify position of opal and minimise waste when making cuts

2.3 If appropriate, split block opal along fault lines

3. Expose the colour

3.1 Use appropriate equipment to expose the colour without removing gem material

3.2 Select the correct grinding wheels and grits for a given piece

4. Decide on whether to cut and/or carve the opal

4.1 Review the stone, determine the directionality and decide on the final outcome to be achieved

4.2 Remove unwanted material and prepare the stone for final processing

4.3 Select the way to cut the stone for the best artistic and commercial return