Specimens illustrate important stages of mineral formation.

• Demonstrates the formation of minerals
• Highest quality minerals
• Hand picked by WARD's Geologists

Samples included in the collection are representative of Bowen’s Reaction Series, from both the continuous and discontinuous branches of minerals formed from cooling magma. The set is housed in a compartmented collection box.

Contents include a chart detailing the reaction series, 8¹/₂×11" in size, identification list.

Version 1: 16 numbered samples, 1×1", albite, andesine, anorthite, augite, biotite, bytownite, enstatite, hornblende, labradorite, muscovite, oligoclase, olivine, orthoclase (2), phlogopite, quartz.

Verison 2: 15 numbered specimens, 1×1", albite, anorthite, augite, biotite, bytownite, hornblende, labradorite, muscovite, oligoclase, olivine, phlogopite, pink microcline, pyroxenite, quartz, and white microcline.