M.J. Hibbard

Beryl

Beryl   Be₃Al₂Si₆O₁₈    Hexagonal
o Hydrothermal environment associated with silicic volcanic rocks. (chapter 12)
- Morganite variety of beryl. The rose color is due to the presence of Mn2+. Crystal (1 cm in length) is dominated by the hexagonal prism and basal pinacoid. Violet Claim, Utah. Specimen provided by H. Gordon.

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