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Chalcedony from
Jacob's Geode Mine, Hamilton, Hancock County, Illinois, USA


01613730017371580903419.jpg
Chalcedony, etc.

Jacob's Geode Mine, Hamilton, Hancock County, Illinois, USA
01613730017371580903419.jpg
Chalcedony, etc.

Jacob's Geode Mine, Hamilton, Hancock County, Illinois, USA
01589120017369620956827.jpg
Chalcedony, etc.

Jacob's Geode Mine, Hamilton, Hancock County, Illinois, USA
Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Baryte1
Calcite1
Quartz1
Enhydros1
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Jacob's Geode Mine, Hamilton, Hancock County, Illinois, USA
Data Identifiers
Mindat Occurrence Record ID:1504580
Long-form Identifier:1:3:1504580:3
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
3.0km (1.9 miles) ⓘHamilton Clay Company pits, Hamilton, Hancock County, Illinois, USA
20.2km (12.6 miles) ⓘSt. Francisville, Clark County, Missouri, USA
27.2km (16.9 miles) ⓘNiota, Hancock County, Illinois, USA
30.8km (19.1 miles) ⓘCanton area, Lewis County, Missouri, USA
34.1km (21.2 miles) ⓘCanton geode locality, Lewis County, Missouri, USA
References
Mahaffey, Nova, Finkelman, Robert B. (2022) The Extraordinary Variety and Complexity of Minerals in a Single Keokuk Geode from the Lower Warsaw Formation, Hamilton, Illinois, USA. Minerals, 12 (7) 914 doi:10.3390/min12070914
 
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