Revision history of "Beryl"

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  • curprev 16:48, 23 November 2020Webref talk contribs 427 bytes +427 Created page with "A hexagonal mineral, Be<sub>3</sub> Al<sub>2</sub> Si<sub>6</sub> O<sub>18</sub> ; green, blue-green, and other pale tints; in granite pegmatites, mica schists, and an accesso..."

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