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What countries other than Australia have opals?
95% of the world's opals are found in Australia.The remaining 5% are mined in Idaho and Nevada in the United States; Mexico; northern Brazil; Ethiopia; and Mali.
Are opals natively Australian?
No. When opals were first found in Australia, they were not thought to be opals because they were a milky white in appearance. Opals found elsewhere in the world were mostly black.
Which country is the biggest opal exporter?
Australian opals are exported practically everywhere around the world but the main countries we export to is Hong Kong, Taiwan, Japan, USA and Europe.
What is an Australian export?
Coal, aluminium, gold, iron and iron ore, lead, uranium, wool, fruit, timber, sugar, meat, diamonds, pearls and pearl shell, opals, and so on.
Why are opals amorphous?
Opals are amorphous because they have no definitve shape. As an example, quartz has a specific crystal shape. Opals can be any shape.
Who made opals?
Nobody MADE opals. They're mined out of the ground.
What are food uses of opals?
Opals cannot be used as foods. They are hard, precious stones.
Which countries do Australia export Opals to?
Opal is a form of quartz, but in the form of tiny spheres. About 150 - 300 nm in diameter, and packed in such a way as to form a diffraction grating. Australia produces 97% of world production.
Do opals actually make you invisible?
Neither opals or any other gemstone will make you invisible.
Are opals black?
Some opals are known as black opals, this is when they have a mainly black colour. In general a black opal is very dark blue and has flecks of other colours within
Where can black opals be found in NSW?
Three different types of Opal are found in Australia:Fire Opals are mined in South Australia near Coober Pedy.Black Opals are mined in New South Wales near Lightning Ridge.Boulder Opals are mined in the western Queensland.
Do opals shrink?
No they do not shrink.
