Palygorskite from
Twin Buttes Mine (Twin Buttes Open Pit Mine), Twin Buttes, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA

Classification
Locality type:	Mine
Species:	Palygorskite
Formula:	(Mg,Al)₂Si₄O₁₀(OH) · 4H₂O
Confirmation
Validity:	Believed Valid
References
References:	Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 317.
Data
Mineral Data:	Click here to view Palygorskite data
Locality Data:	Click here to view Twin Buttes Mine (Twin Buttes Open Pit Mine), Twin Buttes, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA
Nearest other occurrences of Palygorskite

66.9km (41.6 miles)		ⓘ Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
67.0km (41.7 miles)		ⓘ Silver Bell Mine (Silver Bill Mine), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
96.3km (59.8 miles)		ⓘ Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth Mining District, Pinal Co., Arizona, USA

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