it is round ( like and egg), it is really smooth all around it, it comes in: clear through white, gray, red , orange, yellow, green, blue, magenta, rose, pink, slate, olive, brown, and black. it is found in Australia. a opal is an amorphous form of silica related to quartz, a mineraloid form, not a mineral.
Opals are quite rough when they are first mined. They are cut and polished and sometimes oiled to look nice. Doublet opals are often covered with another material such as glass which can add shine.
Because they are very valuable and are a great trade. Australia mines 98% of the world's opals, and many other countries like to buy them from Australia.
Faux opals can come in a variety of colors such as white, blue, pink, purple, and green. They are created to mimic the appearance of natural opals but are usually made of materials like glass or resin.
Nobody MADE opals. They're mined out of the ground.
If you have some rough opals you would like to sell, you can bring them to a local fine jewelry store to see if they are interested. You can also sell them at online auction sites.
Opals cannot be used as foods. They are hard, precious stones.
Neither opals or any other gemstone will make you invisible.
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
Australian opals are known for their vibrant play-of-color, while Ethiopian opals typically exhibit a more honey-like coloration with flashes of red, orange, and green. Ethiopian opals are also generally more translucent than Australian opals.
Opals are typically found in Australia, with the country being the world's largest producer of opals. They are mined in various locations such as Lightning Ridge, Coober Pedy, and Andamooka. Opals can also be found in other countries like Ethiopia, Mexico, and Brazil.
Opals are not commonly found in Washington state. They are primarily found in countries like Australia, Mexico, and Brazil. Washington is more known for its variety of other gemstones like agates, garnets, and petrified wood.
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.