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Amazonite Cabochons
Amazonite
is a microcline form of feldspar and although the name is taken from that of
the Amazon River, it is highly unlikely that it was ever found there. In
the past it's only source was a mountainous area in Russia. More recently,
high-quality crystals have been obtained from Colorado, where it is found in
conjunction with quartz, orthoclase, and albite in granite. Some other
localities in the United States yield amazonite, and it is also found in
Madagascar.
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