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The place to share your mineralogical experiences

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Newest topics and users posts
19 Oct-16:26:01 Re: collection of firmo espinar (Firmo Espinar)
19 Oct-15:48:56 New kyanite discovery bc canada (Thecrystalfinderbc)
19 Oct-15:40:43 Re: pegmatite exploration bc canada (Thecrystalfinderbc)
19 Oct-15:31:22 Pegmatite exploration bc canada (Thecrystalfinderbc)
19 Oct-15:02:16 Re: new sapphire corundum deposit found in bc canada (Thecrystalfinderbc)
19 Oct-14:59:12 New sapphire corundum deposit found in bc canada (Thecrystalfinderbc)
19 Oct-14:05:30 Re: new generation for picture - ploum (Jose Luis Jara Jara)
19 Oct-13:27:29 Re: new generation for picture - ploum (Ploum)
19 Oct-06:36:04 Re: new generation for picture - ploum (Ploum)
17 Oct-16:27:33 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
17 Oct-15:01:10 The mizunaka collection - quartz with adularia (Am Mizunaka)
17 Oct-09:34:56 Fluorite from czech republic (Stoner)
16 Oct-15:18:06 Re: collection of enrique llorens (Enrique Llorens)
16 Oct-15:15:04 Re: collection of enrique llorens (Enrique Llorens)
16 Oct-14:40:31 Re: collection of firmo espinar (Firmo Espinar)
16 Oct-13:45:36 Minerant 2020 - mineral show in antwerp, belgium (Jordi Fabre)
16 Oct-13:24:07 Re: collection of enrique llorens (Jose Luis Jara Jara)
16 Oct-13:09:44 Munich show (mineralientage) 2019 - "whoever collects make history" (Jordi Fabre)
16 Oct-12:17:55 Re: collection of enrique llorens (Carles Millan)
16 Oct-11:23:16 Re: collection of enrique llorens (Enrique Llorens)
16 Oct-11:19:55 Re: collection of enrique llorens (Enrique Llorens)
16 Oct-11:13:01 Re: a mineralogical trip through the states of usa - ohio (Bob Harman)
16 Oct-10:55:09 Re: a mineralogical trip through the states of usa - ohio (R Saunders)
16 Oct-10:27:30 Re: a mineralogical trip through the states of usa - ohio (Bob Harman)
16 Oct-09:45:21 Re: collection of enrique llorens (Michael Shaw)

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  Topic: What rock is this?
Riccardo Modanesi

Replies: 9
Views: 626

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Sep 20, 2019 11:48   Subject: Re: What rock is this?
Hi to everybody!
It depends on WHERE you found it. In Sicily, for example, it's not so seldom to find it, especially in the island Lipari and near the Etna volcano. I feel like excluding Northern Ita ...
  Topic: Purchased online, what is this blueish green stone?
Riccardo Modanesi

Replies: 8
Views: 1183

PostForum: What is it? - Where is it from?   Posted: Jul 15, 2019 14:13   Subject: Re: Purchased online, what is this blueish green stone?
Hi to everybody!
Have you tried by making it react with chloridric acid? And what about its hardness? Have you tried to scratch it using an iron piece or a piece of glass?
Greetings from Italy by R ...
  Topic: Gypsum orphan
Riccardo Modanesi

Replies: 5
Views: 912

PostForum: What is it? - Where is it from?   Posted: May 06, 2019 11:31   Subject: Re: Gypsum orphan
Hi to everybody!
"Bolognese" means around Bologna, i.e. the Tosco-Emiliano Appennine! I think it comes from the surrounding area of the Futa or Raticosa passes!
Greetings from Italy by Ric ...
  Topic: Smoky or Smokey
Riccardo Modanesi

Replies: 21
Views: 2318

PostForum: Off-Topic and Introductions   Posted: Apr 27, 2019 04:09   Subject: Re: Smoky or Smokey
Hi to everybody!
It's always the same question: program or programme? Theatre or theater? Gemmology or gemology? Ok I apologise (or apologize) with our American friends, but I really like much more t ...
  Topic: Presentation of new members - Reference Thread
Riccardo Modanesi

Replies: 411
Views: 229900

PostForum: Off-Topic and Introductions   Posted: Apr 22, 2019 12:15   Subject: Re: Presentation of new members - Alexander in Boston (Hi, let introduce myself)
Ciao Alexander (o Alessandro?)! OK, dopo i saluti in italiano, vado con l'inglese. Welcome to the forum, you will see here we are everybody on very good terms and friendly! Let's wait for somethi ...
  Topic: Mineral found in Missouri creek bed...some kind of calcite maybe?
Riccardo Modanesi

Replies: 2
Views: 709

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Mar 28, 2019 03:45   Subject: Re: Mineral found in Missouri creek bed...some kind of calcite maybe?
Hi Virginia!
Did you try with chloridric acid? Does it fizz?
Did you try to scratch it with an iron wire? Did you succeed in scratching it?
These are helpful proofs!
Greetings from Italy by Riccar ...
  Topic: Women's private collection sub-forum
Riccardo Modanesi

Replies: 24
Views: 3915

PostForum: Forum questions   Posted: Mar 22, 2019 13:27   Subject: Re: Women's private collection sub-forum
I'm afraid sea shells = malachologist.


Not a complete list and not gender specific. I haven't found a noun for our particular problem. We need a noun. A little off topic, I know.

Arenophile: b ...
  Topic: Women's private collection sub-forum
Riccardo Modanesi

Replies: 24
Views: 3915

PostForum: Forum questions   Posted: Mar 21, 2019 14:30   Subject: Re: Women's private collection sub-forum
Hi to everybody!
As the biggest majority of you should know, I'm a gemmologist and a mineral collector since 1973, but... I live in a country (maybe the ONLY one) where the majority of gemmologists a ...
  Topic: Slag glass probably?
Riccardo Modanesi

Replies: 24
Views: 3087

PostForum: What is it? - Where is it from?   Posted: Mar 18, 2019 10:19   Subject: Re: Slag glass probably?
Hi to everybody!
It could also be an opal! I have a fluorescent opal and the fluorescence color is the same as this specimen.
Greetings from Italy by Riccardo.
  Topic: Help to identify a geode
Riccardo Modanesi

Replies: 6
Views: 1079

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Mar 18, 2019 10:15   Subject: Re: Help to identify a geode
Hi to everybody!
It's a quartz geode, but the color is artificial. I was presented one of this kind and put it in alcohol. It lost the color and the solution turned purple, meaning the artificial dye ...
  Topic: Mystery mineral from near Otanche, Colombia
Riccardo Modanesi

Replies: 16
Views: 2596

PostForum: What is it? - Where is it from?   Posted: Feb 20, 2019 08:04   Subject: Re: Mystery mineral from near Otanche, Colombia
Hi to everybody!
Do you want a personal opinion of mine? Celestine!
Take it just as an opinion, without any other data!
Greetings from Italy by Riccardo.
  Topic: Minerals with alexandrite effect?
Riccardo Modanesi

Replies: 1
Views: 604

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jan 13, 2019 10:58   Subject: Re: Minerals with alexandrite effect?
Hi Alalit!
There is a colour-changing spessartine garnet as well! It is yellowish under natural sunlight and pinkish under artificial light.
Some diamonds which are fluorescent to UV display a colou ...
  Topic: Happy Holidays 2018 - 2019!
Riccardo Modanesi

Replies: 35
Views: 7427

PostForum: Comments & Suggestions   Posted: Jan 02, 2019 06:28   Subject: Re: Happy Holidays 2018 - 2019!
Hi to everybody! You wrote it in Italiano properly! Happy new year to everybody! May pur collections increase of beautiful specimens! May alla of ur desires turn into reality!
Greetings from Italy ...
  Topic: Are these faceted stones genuine?
Riccardo Modanesi

Replies: 9
Views: 1683

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Dec 31, 2018 12:19   Subject: Re: Are these faceted stones genuine?
Hi Stoner! If you start photographing inclusions you can see by microscope, it could be a significant datum.
Greetings from Italy by Riccardo.
  Topic: Happy Holidays 2018 - 2019!
Riccardo Modanesi

Replies: 35
Views: 7427

PostForum: Comments & Suggestions   Posted: Dec 31, 2018 12:15   Subject: Re: Happy Holidays 2018 - 2019!
Hi to everybody! You wrote it in Italiano properly! Happy new year to everybody! May pur collections increase of beautiful specimens! May alla of ur desires turn into reality!
Greetings from Italy ...
  Topic: Happy Holidays 2018 - 2019!
Riccardo Modanesi

Replies: 35
Views: 7427

PostForum: Comments & Suggestions   Posted: Dec 25, 2018 06:30   Subject: Re: Merry Christmas 2018!
Hi to everybody! And all my best wishes for a merry Christmas and a happy 2019! Greetings from Italy by Riccardo.
  Topic: We have a problem in Barcelona City with the Martorell Museum
Riccardo Modanesi

Replies: 10
Views: 3555

PostForum: Worlwide Museums & Visits to Museums and private collections   Posted: Nov 30, 2018 11:26   Subject: Re: We have a problem in Barcelona City with the Martorell Museum
I did it too, right now!
Greetings from Italy by Riccardo.
  Topic: Presentation of new members - Reference Thread
Riccardo Modanesi

Replies: 411
Views: 229900

PostForum: Off-Topic and Introductions   Posted: Nov 22, 2018 11:56   Subject: Re: Presentation of new members - Reference Thread
Hi to everybody!
As usual, a warm warm welcome from Italy to all of the new members of the Forum!
Greetings by Riccardo.
  Topic: Black tourmaline in a fan shape
Riccardo Modanesi

Replies: 13
Views: 2432

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Nov 11, 2018 05:39   Subject: Re: Black tourmaline in a fan shape
Hi to everybody! Other possibilities: actinolite, hornblende, or diopside. I found some in the Alps as well..
Greetings from Italy by Riccardo.
  Topic: inclusion in aquamarine?
Riccardo Modanesi

Replies: 4
Views: 1059

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Oct 21, 2018 09:30   Subject: Re: inclusion in aquamarine?
Hi to everybody!
Another purpose: ilmenite! Some Brazilian aquamarines contain this mineral as inclusion.
Greetings from Italy by Riccardo.
 
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