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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Chalcedony from
Horse Mountain (Silvertooth Agate Fields; Curbow Rock Farm), Bedford County, Tennessee, USA


Locality type:Mountain
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Horse Mountain (Silvertooth Agate Fields; Curbow Rock Farm), Bedford County, Tennessee, USA
Data Identifiers
Mindat Occurrence Record ID:106245
Long-form Identifier:1:3:106245:8
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
95.8km (59.5 miles) ⓘSparta quarry (Sparta limestone quarry), White County, Tennessee, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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