Australia's National Gemstone - The Opal

15 Points Per Correct Answer - No time limit  

1. Where is the opal capital of the world? Coober Pedy, Australia Vernon, British Columbia Queretaro, Mexico Virgin Valley, Nevada

2. No two opals are the same. True False

3. What is a Gilson opal? An opal found on Ernie Gilson's property Another name for potch An extremely valuable opal from Gilson, an outback town A synthetic opal

4. What sort of opal should be used when making a ring? all of these are acceptable a doublet solid stone a triplet

5. Name the process of collecting uncut opals from the mounds of rock that have already been extracted? noodling panning canoodling dry blowing

6. What is a triplet opal? An opal with three different layers An opal with three different colours An opal mined with a specific drill An opal mined with three strategically placed explosives

7. Is opal a precious gemstone or a semi-precious gemstone? Answer: (precious or semi-precious)

8. Which is the most valuable type of opal in the world? Crystal opal White opal Black opal Boulder opal

9. Putting your opal out in a lightning storm will improve the colour. True False

10. What birthstone does opal represent? February December July October