Colored stones : for solo bassoon / by Brandon, Jenni, 1977-

Table of Contents: “…Smoky quartz --…”

Iowa gems and minerals in your pocket / by Garvin, Paul, 1939-

Table of Contents: “…Geode containing barite and dogtooth calcite crystalsColloformpyrite; White calcite "pineapples" on brown calcite; Smoky quartz and goethite needles on calcite; Pink barite on brown calcite; Tabular celestite crystals; Barite crystals; Rhombohedral calcite crystals; Tabular golden barite crystal; Calcite and marcasite boxwork; Marcasite crystal cluster; Banded agate and quartz; Agate cabochons; Millerite tufts with colloform quartz; Tabular barite crystals; Calcite with marcasite inclusions; Colloform pyrite with calcite crystals; Calcite crystal containing rhombohedral phantom.…”
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