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Newest topics and users posts
28 Jul-15:43:19 Unknown quartz? (R Saunders)
28 Jul-13:15:33 Re: collection of volkmar stingl (Volkmar Stingl)
27 Jul-22:43:51 Re: collection of volkmar stingl (Volkmar Stingl)
27 Jul-13:17:17 Re: celestite geode in dolomite block? or what, halite? (Don Lapham)
26 Jul-15:38:37 Re: collection of firmo espinar (Firmo Espinar)
26 Jul-13:21:53 Re: collection of volkmar stingl (Volkmar Stingl)
25 Jul-16:30:28 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)
25 Jul-11:09:26 Re: collection of volkmar stingl (Volkmar Stingl)
25 Jul-10:49:33 Re: celestite geode in dolomite block? or what, halite? (Corneldumitru)
25 Jul-08:13:07 Re: celestite geode in dolomite block? or what, halite? (Bob Morgan)
25 Jul-02:46:09 Re: celestite geode in dolomite block? or what, halite? (James Catmur)
24 Jul-14:52:13 Re: black, metallic, yellow oxide? (Linus)
24 Jul-14:41:03 Re: collection of michael shaw (Michael Shaw)
24 Jul-13:47:19 Celestite geode in dolomite block? or what, halite? (Corneldumitru)
24 Jul-12:18:05 Re: black, metallic, yellow oxide? (Johan Kjellman)
24 Jul-10:26:19 Re: collection of volkmar stingl (Volkmar Stingl)
23 Jul-18:40:43 Re: black, metallic, yellow oxide? (Bob Carnein)
23 Jul-17:36:31 Re: black, metallic, yellow oxide? (Linus)
23 Jul-17:34:00 Re: black, metallic, yellow oxide? (Linus)
23 Jul-09:37:34 Re: help identify this rock. Sapphire?? (James Catmur)
23 Jul-09:03:02 Re: unknown mineral from pikes peak pegmatite (Bob Morgan)
23 Jul-07:27:50 Re: black, metallic, yellow oxide? (Susan Robinson)
23 Jul-02:23:46 Re: mineral talks live - episode 41 - alan hart - ceo; gem-a, london, england, united king (Tobi)
23 Jul-02:20:06 Re: hillman hall of minerals and gems (Tobi)
23 Jul-02:15:45 Re: black, metallic, yellow oxide? (Tobi)

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  Topic: Celestite geode in dolomite block? Or what, halite?
James Catmur

Replies: 4
Views: 391

PostForum: What is it? - Where is it from?   Posted: Jul 25, 2021 02:46   Subject: Re: Celestite geode in dolomite block? Or what, halite?
Given the taste, halite seems likely. Could the crystals be partially dissolved in water?
  Topic: Help identify this rock. Sapphire??
James Catmur

Replies: 5
Views: 364

PostForum: Minerals and Mineralogy   Posted: Jul 23, 2021 09:37   Subject: Re: Help identify this rock. Sapphire??
If you do a few tests we might be able to help - hardness should be the first test as that will help rule out the very hard minerals (I suspect it will rule out your guess).

Quartz and Feldspar.
...
  Topic: Mineral Talks LIVE
James Catmur

Replies: 56
Views: 18400

PostForum: Blue Cap Productions   Posted: Jul 18, 2021 06:42   Subject: Re: Mineral Talks LIVE - Episode 41 - Alan Hart - CEO; Gem-A, London, England, United King
Great report, but even Alan is not perfect. I watched and I thought at 1:04:00 "that fluorite is from La Collada not from Berbes" (Alan said 'Berbes')! Double checked on Alan's Instagram ...
  Topic: What is it? Oregon Beach Find.
James Catmur

Replies: 2
Views: 283

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jul 15, 2021 10:51   Subject: Re: What is it? Oregon Beach Find.
I tend to agree - beach party slag (so could be a little bit toxic)
  Topic: Help identifying
James Catmur

Replies: 4
Views: 467

PostForum: What is it? - Where is it from?   Posted: Jul 03, 2021 03:56   Subject: Re: Help identifying
Impossible to say without better photos and more tests, as others have said.

https://www.mineral-forum.com/message-board/viewtopic.php?p=19487#19487

My best (but probably wrong) guess is mica.
  Topic: Help with historical stone mystery - slag, or something else?
James Catmur

Replies: 11
Views: 845

PostForum: What is it? - Where is it from?   Posted: Jun 26, 2021 01:28   Subject: Re: Help with historical stone mystery - slag, or something else?
What is not said is where it washed up. That might give a clue as to its source, but might not! I have found pumice on the beaches of Fife, typically on the northern coast near Crail and round the c ...
  Topic: Virtual shows: what's the concept?
James Catmur

Replies: 3
Views: 981

PostForum: Mineral Shows   Posted: Jun 18, 2021 12:05   Subject: Re: Virtual shows: what's the concept?
I have seen a number of variations.

Some are the first type you mention, so just links to existing web pages. New material may be added for the 'show' but that was not clear to me.

There was ...
  Topic: Mineral spirituality?
James Catmur

Replies: 27
Views: 13989

PostForum: Minerals and Mineralogy   Posted: Jun 14, 2021 09:35   Subject: Re: Mineral spirituality?
Peter

Sadly my grandmother had radium therapy for a weak chest in the 1900s. She died of cancer of the chest about 80 years later. Link not proven but possible.
  Topic: Rust remover UK
James Catmur

Replies: 3
Views: 710

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jun 07, 2021 03:41   Subject: Re: Rust remover UK
You can buy Rust Away in the UK (just search the internet). Do test it on a part of the specimen that does not matter as it may possibly 'eat' the crystals you want to keep.
  Topic: Aura Coating
James Catmur

Replies: 15
Views: 1913

PostForum: Incorrect classification and fakes   Posted: May 28, 2021 11:06   Subject: Re: Aura Coating
On a site like this, you will find people who like natural crystals and see treatments like that to be a travesty. Each to their own, but I suspect we cannot help you.
  Topic: Airtight display boxes ?
James Catmur

Replies: 14
Views: 1579

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 25, 2021 15:16   Subject: Re: Airtight display boxes ?
Hi Vincen

They are from Bosch and I got the photos of the Interweb from a commercial site I should not name.

James



interesting boxes! Where did you get the photo from?
  Topic: Airtight display boxes ?
James Catmur

Replies: 14
Views: 1579

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 25, 2021 03:18   Subject: Re: Airtight display boxes ?
How about vacuum food storage boxes (various makes available)? The lids are not transparent but the bases and sides are. Could you mount the specimen on the lid and use the box upside down, so you c ...
  Topic: Airtight display boxes ?
James Catmur

Replies: 14
Views: 1579

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 25, 2021 03:06   Subject: Re: Airtight display boxes ?
I guess this is sealed, but does not meet your criteria
  Topic: A mineralogical trip through the states of USA - New Mexico
James Catmur

Replies: 75
Views: 105539

PostForum: A mineralogical trip through the states of USA   Posted: May 20, 2021 13:53   Subject: Re: A mineralogical trip through the states of USA - New Mexico
People tended to cut them off - on the ones I have they have been cut off too
  Topic: A mineralogical trip through the states of USA - New Mexico
James Catmur

Replies: 75
Views: 105539

PostForum: A mineralogical trip through the states of USA   Posted: May 20, 2021 13:27   Subject: Re: A mineralogical trip through the states of USA - New Mexico
That is a dealer label - Ward's or English, I think
  Topic: Collecting in UK
James Catmur

Replies: 5
Views: 1030

PostForum: Rockhounding trips   Posted: May 20, 2021 02:58   Subject: Re: Collecting in UK
I agree with that advice.

Do look at British dealers websites and auction sites to get an idea what is being found. If you are willing to go further afield and cross the border Wanlockhead/Leadh ...
  Topic: Fósseis
James Catmur

Replies: 4
Views: 784

PostForum: Off-Topic and Introductions   Posted: May 17, 2021 05:10   Subject: Re: Fósseis
Luiz

See Peter's reply for a good answer.

Por favor - el foro esta em ingles

This forum is for minerals, not fossils. So we cannot help (even though some of us speak Portuguese)
Ok, James ...
  Topic: Fósseis
James Catmur

Replies: 4
Views: 784

PostForum: Off-Topic and Introductions   Posted: May 17, 2021 00:27   Subject: Re: Fósseis
This forum is for minerals, not fossils. So we cannot help (even though some of us speak Portuguese)
  Topic: Is this still quartz??
James Catmur

Replies: 7
Views: 1221

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: May 14, 2021 04:01   Subject: Re: Is this still quartz??
I see two different rocks.

The simple answer is 'no' - they may contain quartz but they are not quartz. Where are they from? Could you do a few tests? I expect a geologist might be able to tel ...
  Topic: Collection of Shawn Spink
James Catmur

Replies: 15
Views: 1299

PostForum: Collection photos and Collector's page   Posted: May 14, 2021 03:56   Subject: Re: Collection of Shawn Spink
Please post these in 'For Beginners : What is it, where is it from', not this one. It will make for a far cleaner thread

I have many specimens with no background info. When I post them I’ll be hop ...
 
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