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and the Village Voice
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4 issues at 160 pages and 6 issues at 130 pages
Collector's Guide to Quartz and Other Silica Minerals BISAC-TRV025130 and the Village VoiceQuartz is prized by both mineral collectors and lapidary artists. Over 130 vivid photographs of these beautiful minerals are presented to show each mineral in its geological context. Superb examples are found in diverse geological settings from pegmatites to Alpine clefts and hydrothermal veins. The silica minerals are chemically simple, yet structurally complicated. Several high temperature and high pressure polymorphs are known. In addition to the
