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A mineralogical trip through the states of USA - Ohio
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R Saunders




Joined: 28 Jul 2018
Posts: 61
Location: Michigan


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PostPosted: Oct 16, 2019 10:55    Post subject: Re: A mineralogical trip through the states of USA - Ohio  

A thumbnail specimen from Duff Quarry. Pyrite and calcite


20191016_102831.jpg
 Mineral: Pyrite and Calcite
 Locality:
C. E. Duff & Son Quarry, Huntsville, Logan County, Ohio, USA
 Dimensions: 32 mm
 Description:
Irydescent Pyrite
 Viewed:  245 Time(s)

20191016_102831.jpg


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Bob Harman




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PostPosted: Oct 16, 2019 11:13    Post subject: Re: A mineralogical trip through the states of USA - Ohio  

I believe your specimen is pyrite and Calcite as most of those similar examples were calcite. You might try a bit of vinegar to either etch out the remaining calcite or see if it fizzes. Bob
R Saunders wrote:
A thumbnail specimen from Duff Quarry. Pyrite and quartz

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