Beryl
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Group of blue crystals resembling wheat sheaves, with fibrous terminations, formed on a white matrix (likely feldspar) offering a beautiful contrast. This variety of beryl is alkali-rich and apart from Na, shows increased levels of iron (~1.5 wt.% FeO) and cesium (~0.15 wt.% Cs2O), plus traces of scandium (~0,01 wt.% Sc2O3).
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