We use cookies to show content based on your preferences. If you continue to browse you accept their use and installation. More information. >

FMF - Friends of Minerals Forum, discussion and message board
The place to share your mineralogical experiences


Spanish message board






Newest topics and users posts
10 Apr-03:54:53 Re: new generation for picture - ploum (Ploum)
09 Apr-23:26:53 Re: collection of volkmar stingl (Volkmar Stingl)
09 Apr-23:16:20 Re: new generation for picture - ploum (Volkmar Stingl)
09 Apr-18:17:38 Re: new generation for picture - ploum (Bob Kerr)
09 Apr-17:10:19 The mizunaka collection - quartz (Am Mizunaka)
09 Apr-14:46:48 Re: collection of sante celiberti (Sante Celiberti)
09 Apr-14:10:28 Re: new generation for picture - ploum (Ploum)
09 Apr-13:55:32 Re: the mizunaka collection - quartz (Am Mizunaka)
09 Apr-10:48:20 Re: collection of jean suffert (Jean Suffert)
09 Apr-10:26:51 Re: melanophlogite? (Luiz Oliveira)
09 Apr-09:17:14 Re: collection of ras (Robert Seitz)
09 Apr-03:58:04 Re: collection of carles millan (Carles Millan)
09 Apr-03:53:36 Re: collection of jean suffert (Tobi)
09 Apr-03:49:24 Re: collection of annemieke en rob schnerr (Tobi)
09 Apr-03:45:40 Re: collection of ras (Tobi)
09 Apr-03:43:29 Re: when does the passion for minerals become an addiction? (Tobi)
09 Apr-03:23:17 Re: the mizunaka collection - quartz (Tobi)
09 Apr-03:16:54 Re: collection of carles millan (Tobi)
09 Apr-03:03:22 Re: new generation for picture - ploum (Tobi)
08 Apr-18:22:40 Re: reminiscences of a mineralogist by arthur montgomery (David K. Joyce)
08 Apr-17:25:30 Re: reminiscences of a mineralogist by arthur montgomery (John S. White)
08 Apr-15:23:40 Re: new generation for picture - ploum (Firmo Espinar)
08 Apr-13:23:02 Re: collection of carles millan (Carles Millan)
08 Apr-11:11:08 Re: collection of carles millan (Michael Shaw)
08 Apr-03:49:22 Collection of carles millan - wulfenite from mexico (Carles Millan)

For lists of newest topics and postings click here


RSS RSS

View unanswered posts

Why and how to register

Index Index
 FAQFAQ RegisterRegister  Log inLog in
 {Forgotten your password?}Forgotten your password?  

Like
80650


The time now is Apr 10, 2021 07:09

Search for a textSearch for a text   

A general guide for using the Forum with some rules and tips
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.
Search found 685 matches
Index
Author Message
  Topic: Melanophlogite?
James Catmur

Replies: 10
Views: 451

PostForum: What is it? - Where is it from?   Posted: Apr 07, 2021 13:31   Subject: Re: Melanophlogite?
Hoje falamos portugues

Today we work in Portuguese.
  Topic: Please help to get to know the type of this rock
James Catmur

Replies: 13
Views: 501

PostForum: What is it? - Where is it from?   Posted: Apr 06, 2021 09:38   Subject: Re: Please help to get to know the type of this rock
Hit it with a hammer and see what the cleavage is.
  Topic: Please help to get to know the type of this rock
James Catmur

Replies: 13
Views: 501

PostForum: What is it? - Where is it from?   Posted: Apr 06, 2021 06:28   Subject: Re: Please help to get to know the type of this gem
Check the specific gravity, not the weight (the weight tells us nothing, except that it weighs something)

https://www.mineral-forum.com/message-board/viewtopic.php?p=38375#38375

James
  Topic: Can someone help identify this specimen?
James Catmur

Replies: 3
Views: 395

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Mar 27, 2021 13:04   Subject: Re: Can someone help identify this specimen?
The 'worms' could be chalcedony - both it and opal are varieties of Quartz
  Topic: what stones are these?
James Catmur

Replies: 15
Views: 1013

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Mar 25, 2021 13:47   Subject: Re: what stones are these?
Hardness, streak and acid are three basic tests we use to start the process to identify minerals. Locality helps a lot too as certain minerals occur in certain places

thanks for your help! the vin ...
  Topic: what stones are these?
James Catmur

Replies: 15
Views: 1013

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Mar 23, 2021 08:44   Subject: Re: what stones are these?
The answer really has to be 'no'. By looking all we can just say is 'white beads'.

Please do some tests (i.e. 7 and 8) and we might have an idea. If you put vinegar on them do you see bubbles?
...
  Topic: Collection from Dany Mabillard
James Catmur

Replies: 132
Views: 45098

PostForum: Collection photos and Collector's page   Posted: Mar 22, 2021 08:49   Subject: Re: Collection from Dany Mabillard
Done

Thanks James, Jordi and Volkmar.

You're right. "The Chinese Fluorite won the fight against the Swiss Gypsum". You must not always trust the seller.

Somebody could change the mi ...
  Topic: When does the passion for minerals become an addiction?
James Catmur

Replies: 15
Views: 970

PostForum: Off-Topic and Introductions   Posted: Mar 21, 2021 10:16   Subject: Re: When does the passion for minerals become an addiction?
I think it is some form of hoarding that I inherited.

My grandfather's collection of printed ephemera reached about 1.3 million items and is now world-famous (in that field). It was my mother wh ...
  Topic: Jim’s Mineral Collection
James Catmur

Replies: 3
Views: 442

PostForum: Collection photos and Collector's page   Posted: Mar 21, 2021 07:29   Subject: Re: Jim’s Mineral Collection
Jim

Good to see material from that area. I used to collect there as a child.

I lived on a farm in Landenberg so have finds from our fields and from the surrounding area! Mica, Schorl, etc.
...
  Topic: Extremely heavy brown beach rock
James Catmur

Replies: 2
Views: 394

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Mar 20, 2021 05:41   Subject: Re: Extremely heavy brown beach rock
Gill

Probably an ironstone goethite nodule - I find them in Fife, Could you check the streak and hardness?

Tests 7 and 8 on this page and the results I expect you to get are:

Streak: yellowi ...
  Topic: Help needed
James Catmur

Replies: 17
Views: 2327

PostForum: What is it? - Where is it from?   Posted: Mar 12, 2021 13:47   Subject: Re: Help needed
I have added that information to the photos
  Topic: Quartz Points locality
James Catmur

Replies: 10
Views: 887

PostForum: What is it? - Where is it from?   Posted: Mar 08, 2021 07:26   Subject: Re: Quartz Points locality
No idea about the locality. Could be Siderite?
  Topic: Help needed
James Catmur

Replies: 17
Views: 2327

PostForum: What is it? - Where is it from?   Posted: Mar 07, 2021 11:27   Subject: Re: Help needed
Do we assume it is Swiss?

Hello everybody,

I'd like a confirmation and maybe a more precise location for the following specimen.

Thank you in advance.

Have a great Sunday and keep safe.
  Topic: Collection from Dany Mabillard
James Catmur

Replies: 132
Views: 45098

PostForum: Collection photos and Collector's page   Posted: Mar 07, 2021 07:19   Subject: Re: Collection from Dany Mabillard
I agree that it looks like gypsum
  Topic: Locality for Mexican Quartz specimens
James Catmur

Replies: 4
Views: 812

PostForum: What is it? - Where is it from?   Posted: Mar 04, 2021 05:13   Subject: Re: Locality for Mexican Quartz specimens
So not Chihuahua!

Thanks Peter, most appreciated. I looked at the Mindat website for Concepcion and that sure looks like the place. Thanks again!
  Topic: Beautiful durable and...common?
James Catmur

Replies: 8
Views: 1926

PostForum: Off-Topic and Introductions   Posted: Mar 03, 2021 10:52   Subject: Re: Beautiful durable and...common?
They may have printed many more but only six have not been destroyed or lost. The number known to have survived is what defines their rarity.

SteveB:
Just reading this and it occurred to me -
Wh ...
  Topic: Sometimes fluorescent
James Catmur

Replies: 5
Views: 883

PostForum: Off-Topic and Introductions   Posted: Feb 27, 2021 10:30   Subject: Re: Sometimes fluorescent
Fluorite (the source of the term) is the same. Some localities do and some do not. So a northern English one is likely to be fluorescent (depending on the mine) but a Spanish one is not.

That can ...
  Topic: Collection of Sante Celiberti
James Catmur

Replies: 79
Views: 10566

PostForum: Collection photos and Collector's page   Posted: Feb 24, 2021 11:36   Subject: Re: Collection of Sante Celiberti
Does the low price reflect that they are often a bi-product of digging wells or quarrying for stone?

Most Indian zeolites are very nice. I the prices quite affordable

The overabundance of Indian ...
  Topic: I want to know this stone
James Catmur

Replies: 11
Views: 1474

PostForum: What is it? - Where is it from?   Posted: Feb 24, 2021 03:33   Subject: Re: I want to know this stone
Does it scratch normal glass?
  Topic: What is this?
James Catmur

Replies: 1
Views: 611

PostForum: What is it? - Where is it from?   Posted: Feb 22, 2021 06:35   Subject: Re: What is this?
Based on the photo there are lots of minerals present in the rock.

Which mineral are you trying to identify? Please do some tests on that mineral and tell us the locality and hardness of the miner ...
 
Page 1 of 35 Goto page 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35  Next
All times are GMT - 5 Hours
Jump to:  


All pictures, text, design © Forum FMF 2006-2021


Powered by FMF