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Beryl and Its Color Varieties: Aquamarine, Heliodor, Morganite, Goshenite, Emerald and Red Beryl
Beryl and Its Color Varieties Aquamarine Heliodor Morganite Goshenite Emerald and Red Beryl Emerald and aquamarine have been known and cherished since Antiquity, but it is only in the last few centuries that science has realized that these two coveted gems are actually different varieties of the same mineral -- Beryl. Number 7 in the popular extraLapis English mineralogy monograph series, "Beryl and Its Color Varieties" surveys the mi... more »neralogy and localities of this popular gemstone.« less