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Calcite pseudomorph after aragonite from Sicily
  
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Howard Heitner




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PostPosted: Feb 19, 2025 22:23    Post subject: Calcite pseudomorph after aragonite from Sicily  
This specimen came from the private collection of a calcite collector who donated it to a museum. It was later sold to me. It was labeled "calcite after aragonite " with locality Girgenti, Sicily, The locality obviously seems to be a mistake. It is the capital of Agrigento which has numerous aragonite localities. My first question is whether it can be considered a pseudomorph. My second question is can anyone provide a more specific mine or locality in Sicily?

arag ps final.JPG
 Mineral: calcite
 Locality:
Sicily, Italy
 Dimensions: 6 cm X 6 cm X 3 cm
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arag ps final.JPG

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marco campos-venuti




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PostPosted: Feb 20, 2025 00:58    Post subject: Re: Calcite pseudomorph after aragonite from Sicily  
Yes it is a typical pseudomorph of calcite after aragonite. The locality is Agrigento, probably from the Cozzo Disi Mine.
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James Catmur
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PostPosted: Feb 20, 2025 04:54    Post subject: Re: Calcite pseudomorph after aragonite from Sicily  
I always get a bit unsure about these forms. Is it not a perimorph or an epimorph?
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