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Although the largest opal fields are in Australia, opal is also found throughout the world from Europe to the South Americas, North America and South(read
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All of the significant opal deposits in Australia during the last 100 years are located within or surrounding the Great Artesian Basin. The most impo(read
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Individuals rather than large mining companies do mining in the Australian opal fields. The reason for this is that opal is particularly elusive; it(read
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During the Cretaceous period (65-140 million years ago) deserts were an inland sea teeming with life. The sea gradually receded laying the foundation(read
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In this, the final instalment, we learn what factors are involved when determining the value of an Opal and the meanings behind some of those terms us(read
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This 7 part series has been written for the novice opal collector or admirer who has little or no knowledge about opal.
It is hoped that by re(read
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Science Academy Software has developed a new business model or paradigm for Education. It is a web-based "pay to play" educational game site named Sci(read
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I remember being asked this question a lot when I was dissatisfied with my career. My usual strategy would be to give a pat answer and immediately tur(read
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It’s amazing how we fool ourselves... while at the same time believing we are doing what’s best.
Let me give you an example. I overheard a guy(read
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Surveys have shown the average American is more afraid of public speaking than they are of death. No wonder many people have let promotions at work pa(read
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