Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Chalcedony from
Unnamed Agate deposit [1], Goose Lake, Modoc County, California, USA


Locality type:Deposit
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Comments:Abundant and varied.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Unnamed Agate deposit [1], Goose Lake, Modoc County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1081497
Long-form Identifier:1:3:1081497:0
GUID (UUID V4):0
References
Sterrett, Douglas Bovard (1909), Precious stones: Mineral Resources U.S., 1908, part 2: 807
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 317.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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