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Limestone Onyx from
Greaterville, Greaterville Mining District, Pima Co., Arizona, USA

Classification
Species:Calcite var: Limestone Onyx
Formula:CaCO3
Comments:Occurs as brown travertine.
Colour:Brown
Confirmation
Validity:Believed Valid
References
References:Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 152; Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 47.
Data
Mineral Data:Click here to view Limestone Onyx data
Locality Data:Click here to view Greaterville, Greaterville Mining District, Pima Co., Arizona, USA
Nearest other occurrences of Limestone Onyx
5.5km (3.4 miles) Onyx Cave (Cave Hill deposit), Greaterville Mining District, Santa Cruz Co., Arizona, USA
59.4km (36.9 miles) Annie Laurie prospect (Annie Laurie claims; Bright Uranium prospect), Oro Blanco Mining District (Ruby Mining District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
 
Mineral and/or Locality  
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