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![The beryl structure (based on [12]) with the framework structural sites](https://i2.wp.com/www.researchgate.net/profile/Peter-Bacik/publication/336655689/figure/fig1/AS:815519129149440@1571446320521/The-beryl-structure-based-on-12-with-the-framework-structural-sites-pictured-as.jpg)
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The beryl structure (based on [12]) with the framework structural sites .






