Buenavista Mines, Mun. de Ubalá, Guavió-Guatéque Mining District, Cundinamarca Department, Colombia
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List of minerals arranged by Dana 8th Edition classification
|Group 61 - CYCLOSILICATES Six-Membered Rings|
|Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution|
|Unclassified Minerals, Rocks, etc.|
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Emerald and Other Beryls, John Sinkankas 1981, p426