Identify and assess opal

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 ā€“ Information for Teachers/Assessors ā€“ 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 CUVOPA201A, 'Identify and assess opal'.
Google Links
links to google searches, with filtering in place to maximise the usefulness of the returned results
Reference books for 'Identify and assess opal' on This online store has a huge range of books, pretty reasonable prices, free delivery in Australia *and* they give a small commission to for every purchase, so go nuts :)

Elements and Performance Criteria

1. Develop knowledge of opal geology

1.1 Identify the geological conditions suitable for the formation of opal and apply the theories of opal formation

1.2 Determine sources of opal worldwide and locations of opal fields

2. Apply the principles of grading and quality assessment to opal

2.1 Identify the principles used for valuing opals in terms of base and background colours, predominant colours and patterns, and other factors that influence an opalā€™s value

2.2 Apply principles of valuing to determine the potential value of opals

3. Distinguish natural opal from man-made varieties

3.1 Determine the gemmological characteristics of opal based on knowledge of varieties of opal found worldwide

3.2 Select gemmological instruments to authenticate natural opal

3.3 Use the selected instruments to authenticate opal

3.4 Identify substances used to simulate opal and synthetic opal-like substances and compare their characteristics to natural opal

4. Identify and describe the different types of opal

4.1 Identify opals of various types and describe them using correct terminology

4.2 Develop a general awareness of types of opal treatments and determine which are acceptable in the industry