Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Quartz from
Marshalltown, Marshall County, Iowa, USA


Locality type:City
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Marshalltown, Marshall County, Iowa, USA
Data Identifiers
Mindat Occurrence Record ID:987713
Long-form Identifier:1:3:987713:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
41.8km (26.0 miles) ⓘSteamboat Rock area, Hardin County, Iowa, USA
59.5km (36.9 miles) ⓘAmes area, Story County, Iowa, USA
60.0km (37.3 miles) ⓘAplington quarry, Butler County, Iowa, USA
61.9km (38.5 miles) ⓘWaterloo South mine, Black Hawk County, Iowa, USA
62.3km (38.7 miles) ⓘLimestone quarry, Poweshiek County, Iowa, USA
74.1km (46.1 miles) ⓘPint's Quarry, Raymond, Black Hawk County, Iowa, USA
74.5km (46.3 miles) ⓘCedar River Bluffs, Benton County, Iowa, USA
84.8km (52.7 miles) ⓘKeswick quarry, Keswick, Keokuk County, Iowa, USA
86.2km (53.6 miles) ⓘShellsburg area, Benton County, Iowa, USA
87.7km (54.5 miles) ⓘPershing area, Marion County, Iowa, USA
References
Rocks&Min. 20:480.
 
and/or  
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