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Why is opal a non-renewable resource?
Opals take millions of years to become what they are today. So we say its not renewable
What are fire opals made of?
Fire opals are unique in the lush world of the opals. They were already admired as symbols of the most fervent love in ancient times, in India and in the ancient Persian kingdom, and among the peoples of Central America and the Amerindians.
How much value dose a 1.5 oz bag of opals have?
The value of opals varies wildly as the play of color (fire) varies wildly. Opals do not have a fixed value such as gold and silver and the value is open to debate between the buyer and seller. Generally speaking.....if the opals are uncut and of moderate fire - they will not be very valuable.
Is obsidian renewable or non renewable?
A renewable resource is something that is still there after we have used it. Like solar energy, wind power, tidal power, geothermal power. We can take advantage of these today and they will still be there tomorrow to be used again. Opals take many millions of years to become what they are today. So we say they are NOT renewable.
Does Austria have fire opals?
No, I belive you are thinking about Australia. Australia is a country known for their opals. Austria is a country in eastern Europe, Australia is a country in the Pacific close to Asia.
Is fire renewable or nonrenewable?
Fire is either renewable or nonrenewable as it is not a fuel source, the renewability is dependant on what is being burnt.
What is the chemical make up of a fire opal?
All opals are hydrated amorphous forms of silica: SiO2.nH2O.
Are opals worth more than an Amethyst?
Opals are worth more then amethyst because usually the amethyst are not genuine.
What are some characteristics on fire opal?
The opals are often found filling former gas cavities in a reddish to pinkish rhyolite lava flow, the colour of the opals vary from white to a reddish orange to colourless, some of them are transparent and other translucent.
Is a fire a nonrenewable resource?
Fire isn't a resource. Fires can burn either renewable fuels (wood, methane) or non-renewable fuels (oil, coal).
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.
Is it possible to waste fire?
Fire is renewable because fire isn't like trees. When you cut down trees they are gone. Fire is renewable but trees are nonrenewable. While it is not possible to waste fire in general, it is possible to waste the materials used to make the fire. So if you are not using the fire, you are wasting energy.
