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Newest topics and users posts
28 Mar-18:25:15 Re: collection of firmo espinar (Firmo Espinar)
28 Mar-09:37:50 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
27 Mar-14:39:29 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-05:21:48 Re: the mim museum in beirut, lebanon (Mim Museum)
27 Mar-05:03:26 Re: trying to find information on rose/pink quartz and tourmaline associations. (Ning)
27 Mar-02:39:50 Re: the mim museum in beirut, lebanon (Tobi)
27 Mar-00:23:28 Re: collection of volkmar stingl (Volkmar Stingl)
26 Mar-00:53:41 Re: collection of volkmar stingl (Volkmar Stingl)
25 Mar-13:32:10 Re: collection of michael shaw (Michael Shaw)
25 Mar-00:25:58 The mizunaka collection - quartz (Am Mizunaka)
23 Mar-13:35:22 Re: collection of firmo espinar (Firmo Espinar)
22 Mar-08:32:28 Re: collection of michael shaw (Michael Shaw)
22 Mar-04:20:41 Re: the mim museum in beirut, lebanon (Mim Museum)
21 Mar-22:49:19 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:47:40 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:45:25 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
21 Mar-14:35:08 Re: jim’s mineral collection (Jim Wilkinson)
21 Mar-14:15:36 The 4th phoenix heritage mineral show (phms) hosted by mineralogical society of arizona (m (Chris Whitney-smith)
21 Mar-04:36:10 Re: the mizunaka collection (Tobi)
21 Mar-04:11:47 Re: jim’s mineral collection (James Catmur)
20 Mar-23:34:15 The mizunaka collection - quartz (Am Mizunaka)

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  Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite?
jfc035

Replies: 12
Views: 6848

PostForum: 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 ...
  Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite?
jfc035

Replies: 12
Views: 6848

PostForum: 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 ...
  Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite?
jfc035

Replies: 12
Views: 6848

PostForum: 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 ...
  Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite?
jfc035

Replies: 12
Views: 6848

PostForum: 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.
  Topic: Peruvian / French or Cornish Chalcopyrite on Fluorite?
jfc035

Replies: 12
Views: 6848

PostForum: 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?
jfc035

Replies: 1
Views: 2579

PostForum: 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?
jfc035

Replies: 1
Views: 2579

PostForum: 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?
jfc035

Replies: 36
Views: 61673

PostForum: 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
jfc035

Replies: 4
Views: 5156

PostForum: 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 ...
  Topic: A mineralogical trip through Italy by Sante Celiberti
jfc035

Replies: 341
Views: 274742

PostForum: 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 ...
  Topic: A mineralogical trip through Italy by Sante Celiberti
jfc035

Replies: 341
Views: 274742

PostForum: 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
  Topic: A mineralogical trip through Italy by Sante Celiberti
jfc035

Replies: 341
Views: 274742

PostForum: 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
  Topic: A mineralogical trip through Italy by Sante Celiberti
jfc035

Replies: 341
Views: 274742

PostForum: 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
  Topic: The Joy of Tucson, 2020 Gail Spann Experience
jfc035

Replies: 107
Views: 152492

PostForum: 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 ...
  Topic: Favourite Galenas?
jfc035

Replies: 36
Views: 61673

PostForum: 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
  Topic: Favourite Galenas?
jfc035

Replies: 36
Views: 61673

PostForum: Favourite Minerals   Posted: Apr 08, 2018 15:25   Subject: Re: Favourite Galenas?
  Topic: Favourite Galenas?
jfc035

Replies: 36
Views: 61673

PostForum: 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?
jfc035

Replies: 36
Views: 61673

PostForum: Favourite Minerals   Posted: Apr 08, 2018 15:20   Subject: Re: Favourite Galenas?
Another view
  Topic: Favourite Galenas?
jfc035

Replies: 36
Views: 61673

PostForum: 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?
jfc035

Replies: 36
Views: 61673

PostForum: 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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