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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.
What materials are opals composed from?
Opals are composed of the natural mineral silica, and water. The water content varies from as little as 3% to 21%, but it normally contains 6% to 10%.
How do you tell flint from other rocks?
you mine flint from gravel
Need sentence with word flint?
This enabled us to collect the flint for the floor.
Can you clean jewelry with rubbing alcohol?
An old toothbrush and toothpaste works well but not on pearls or opals.
When flint and opals break they have a unique arclike pattern?
The term for the "unique arclike pattern" is called a conchoidal fracture. Please see the link below for more information.
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 do you get flint in Minecraft?
You mine gravel, sometimes flint is dropped when you break a block of gravel.
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.
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.
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
How can you get flint in Minecraft?
Recently in the 0.3.3 Alpha, Mojang added the ability to receive Flint from breaking Gravel. It is also possible to make Flint and Steel.
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.
