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What is it
What is it
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Opal is a mineraloid gel. It is made, oddly enough, almost entirely of opal. It is also completely free of birefringence, and has virtually no pleochroism. Opal is basically silica. Saying opal is made of opal is like saying quartz is made of quartz, or tiger eye is made of tiger eye. It's the unique structure of the silica that makes it become opal. The Japanese have made a nice man made opal using silica and zirconium oxide. Si02nH20
An Ethiopian opal is an opal-CT, whereas an Australian opal is an opal-A. The Ethiopian opal is made up of leptospheres, instead of small amorphous silica spheres like the Australian opal.
Opal ia a hydrated silica mineral.
Oznei Haman in Hebrew or Haman tashen in Yiddish. the shape of the Oznei haman is triangle a little cookie that has some jam of poppy seeds in the middle common food for Purim. By Holly Rusher
It is an imitation opal made of glass that is red-orange in color.
I think they were called "Opal Fruits." Opal fruits is the answer. The ad jingle was ''Opal Fruits, made to make your mouth water''.
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Opal is made of silica, but it technically is not a mineral.
Opals are a mined substance that can be found in fissures in rock. It is then processed, cleaned up and cut down to make different types of jewelry. This is how opal ware is made.