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Buenavista Mines, Mun. de Ubalá, Guavió-Guatéque Mining District, Cundinamarca Department, Colombia

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
Beryl	61.1.1.1	Be₃Al₂(Si₆O₁₈)
Unclassified Minerals
var: Emerald	-	Be₃Al₂(Si₆O₁₈)

2 entries listed. 2 valid minerals.

References

Emerald and Other Beryls, John Sinkankas 1981, p426

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