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Chalcedony from
El Tiro Mine (El Tiro pit; El Tiro open pit; Red Rock group), Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA

Description
Comments:Occurs as clear, nearly transparent material of beautiful color.
Colour:Emerald-green
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 85.
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view El Tiro Mine (El Tiro pit; El Tiro open pit; Red Rock group), Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA
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