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The information provided within this Forum about localities is only given to allow reference to them. Any visit to any of the localities requires you to obtain full permission and relevant information prior to your visit. FMF is strictly against any illicit activities related to collecting minerals.
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| Search found 22 matches |
| Author | Message |
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 Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
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| jfc035 Replies: 12 Views: 3097 |
 Forum: What is it? - Where is it from? Posted: Dec 29, 2021 15:42 Subject: Re: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
| Hi James
I'm trying to decipher where such specimen comes from. I believe that the combination is distinctive enough to allocate it, hopefully someone has seen something like that before (?) Any edu ... |
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| Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
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| jfc035 Replies: 12 Views: 3097 |
Forum: What is it? - Where is it from? Posted: Dec 29, 2021 11:53 Subject: Re: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
| "At the moment the French say it cannot be French,"
I do not see this anywhere. The label says France, and Jordi and Makekerowill think it could be France, so why not? In the absence of a ... |
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| Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
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| jfc035 Replies: 12 Views: 3097 |
Forum: What is it? - Where is it from? Posted: Dec 29, 2021 08:46 Subject: Re: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
| Thanks for the current tips, but the question is still open...
At the moment the French say it cannot be French, the Peruvian experts say they're dubious about a Peruvian origin... only the Cornish a ... |
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| Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
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| jfc035 Replies: 12 Views: 3097 |
Forum: What is it? - Where is it from? Posted: Dec 24, 2021 08:11 Subject: Re: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
| Thanks Jordi. I've also written to Alain yesterday and await his feedback.
Note however that there is no sphalerite nor dolomite at Mont-roc, in contrast to this specimen. |
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| Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
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| jfc035 Replies: 12 Views: 3097 |
Forum: What is it? - Where is it from? Posted: Dec 24, 2021 06:46 Subject: Peruvian / French or Cornish Chalcopyrite on Fluorite? |
| I'm trying to figure out where this chalcopyrite on pale green fluorite comes from. The chalcopyrite disphenoids are up to 2 cm and the overall specimen is 10cm. it is associated with white rhombs of ... | |
| Topic: Pyrargyrite from where? |
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| jfc035 Replies: 1 Views: 1406 |
Forum: What is it? - Where is it from? Posted: Oct 31, 2021 15:54 Subject: Re: Pyrargyrite from where? |
| Seems to be from San Genaro (Jaroslav Hyrsl) | |
| Topic: Pyrargyrite from where? |
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| jfc035 Replies: 1 Views: 1406 |
Forum: What is it? - Where is it from? Posted: Oct 31, 2021 10:29 Subject: Pyrargyrite from where? |
| Hello, would anyone know/have some tips where this pyrargyrite (SEM-EDX confirmed) may come from? it is associated with what looks like to be rosettes of baryte (yet the specimen is not that heavy; m ... | |
| Topic: Favourite Galenas? |
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| jfc035 Replies: 36 Views: 39119 |
Forum: Favourite Minerals Posted: Aug 15, 2021 11:22 Subject: Re: Favourite Galenas? |
| Another one from Weardale; Likely collected in the last period of activity of this mine, in the 70-80s. | |
| Topic: Rarest beautifully crystallized minerals |
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| jfc035 Replies: 4 Views: 3345 |
Forum: Minerals and Mineralogy Posted: Aug 15, 2021 11:08 Subject: Re: Rarest beautifully crystallized minerals |
| Wittichenite is a good trade off between rarity and beautiness of the (best, australian) crystals.
Published at: The MIM Museum in Beirut, Lebanon Mineral: Wittichenite Locality: Cattle Gri ... |
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| Topic: A mineralogical trip through Italy by Sante Celiberti |
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| jfc035 Replies: 341 Views: 159331 |
Forum: A mineralogical trip through Italy by Sante Celiberti Posted: Aug 02, 2020 13:19 Subject: Re: Collection of Sante Celiberti - A mineralogical trip through Italy |
| Hello, JF.
I really appreciate your compliments, coming from a sulfosalts collector. The mineralogical club of Siena organizes an annual fair in Colle Val d'Elsa (April), and the club of Florenc ... |
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| Topic: A mineralogical trip through Italy by Sante Celiberti |
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| jfc035 Replies: 341 Views: 159331 |
Forum: A mineralogical trip through Italy by Sante Celiberti Posted: Aug 02, 2020 13:18 Subject: Re: Collection of Sante Celiberti - A mineralogical trip through Italy |
| X-ray diffraction: the only solution to identify unambiguously acicular (fibrous) sulfosalts....
best regards jf |
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| Topic: A mineralogical trip through Italy by Sante Celiberti |
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| jfc035 Replies: 341 Views: 159331 |
Forum: A mineralogical trip through Italy by Sante Celiberti Posted: Jul 25, 2020 01:59 Subject: Re: Collection of Sante Celiberti - A mineralogical trip through Italy |
| Hello Sante
congrats; these are really very nice specimens of these truly rare sulfosalts. The rouxelite is indeed exceptionnal. Best regards jf |
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| Topic: A mineralogical trip through Italy by Sante Celiberti |
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| jfc035 Replies: 341 Views: 159331 |
Forum: A mineralogical trip through Italy by Sante Celiberti Posted: Jul 20, 2020 09:01 Subject: Re: Collection of Sante Celiberti - A mineralogical trip through Italy |
| Hello.
Another Tuscan specimen with a rare association. Warm greetings. Sante Hello: is this cinnabar or metastibnite?? regards |
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| Topic: The Joy of Tucson, 2020 Gail Spann Experience |
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| jfc035 Replies: 107 Views: 103409 |
Forum: Mineral Shows by Gail Spann Posted: Feb 05, 2020 15:41 Subject: Re: The Joy of Tucson, 2020 Gail Spann Experience |
| ...
Thanks Gail for the great preview. what is the specimen just left aside of your german stephanite: is that a super bolivian bournonite? would you mind posting a detailed photo of this one? H ... |
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| Topic: Favourite Galenas? |
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| jfc035 Replies: 36 Views: 39119 |
Forum: Favourite Minerals Posted: Apr 10, 2018 14:46 Subject: Re: Favourite Galenas? |
| Jordi, Tobi
My sincere apologies! Many thanks for fixing my posts. I promise to be a good scholar from now -)) Best, jf |
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| Topic: Favourite Galenas? |
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| jfc035 Replies: 36 Views: 39119 |
Forum: Favourite Minerals Posted: Apr 08, 2018 15:25 Subject: Re: Favourite Galenas? |
| Topic: Favourite Galenas? |
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| jfc035 Replies: 36 Views: 39119 |
Forum: Favourite Minerals Posted: Apr 08, 2018 15:21 Subject: Re: Favourite Galenas? |
| Galena needles (“knitted galena”) associated with brownish spherulites of Sphalerite (overall 7.5 x 6.0 x 1.5 cm). From Les Vieux Travaux mine, Les Malines District, Saint-Laurent-le-Minier, Gard, Oc ... | |
| Topic: Favourite Galenas? |
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| jfc035 Replies: 36 Views: 39119 |
Forum: Favourite Minerals Posted: Apr 08, 2018 15:20 Subject: Re: Favourite Galenas? |
| Another view | |
| Topic: Favourite Galenas? |
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| jfc035 Replies: 36 Views: 39119 |
Forum: Favourite Minerals Posted: Apr 08, 2018 15:18 Subject: Re: Favourite Galenas? |
| Typical specimen of “Knitted Galena” showing neat “dendritic” forms (those are actually branched three-dimensional single-crystal skeletal forms; see: Geochem. Mineral. Petrol. Sofia, 2006, 44, 1-18.) ... | |
| Topic: Favourite Galenas? |
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| jfc035 Replies: 36 Views: 39119 |
Forum: Favourite Minerals Posted: Apr 08, 2018 15:16 Subject: Re: Favourite Galenas? |
| Thin bladed, penetration twinned, lustrous crystals of Galena to 3.0 cm in size, with pearly white Dolomite crystals in association (overall 10.0 x 8.5 x 7.0 cm, 2.18 pounds). From recent finds in thi ... | |
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