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Newest topics and users posts
14 Jul-18:03:59 Malachite after azurite on goethite (Silvia)
14 Jul-16:43:05 The mizunaka collection - quartz (Am Mizunaka)
14 Jul-09:34:45 Re: collection of michael shaw (Michael Shaw)
13 Jul-12:19:45 Lazurite (lapis lazuli) from afghanistan / #mvm (minerals - virtual museum) collection (Jordi Fabre)
12 Jul-23:04:14 Re: collection of volkmar stingl (Volkmar Stingl)
12 Jul-09:00:56 Re: the mim museum in beirut, lebanon (Mim Museum)
12 Jul-06:59:21 Re: collection from dany mabillard (Dany Mabillard)
12 Jul-00:49:24 Re: are there pyrite balls found in verzino? (Herwig)
12 Jul-00:25:14 Re: are there pyrite balls found in verzino? (Roger Warin)
12 Jul-00:08:38 Re: are there pyrite balls found in verzino? (Roger Warin)
11 Jul-17:36:07 The mizunaka collection - fluorite (Am Mizunaka)
11 Jul-14:14:25 Re: slice schalenblende (Mathias)
11 Jul-14:08:21 Re: czech rockhounding adventures – agates & amethysts (Stoner)
11 Jul-08:12:55 Czech rockhounding adventures – agates & amethysts (Stoner)
11 Jul-08:03:52 Re: are there pyrite balls found in verzino? (James Catmur)
11 Jul-02:33:28 Re: collection of michael shaw (Michael Shaw)
11 Jul-00:24:28 Re: collection of volkmar stingl (Volkmar Stingl)
10 Jul-13:46:07 Re: are there pyrite balls found in verzino? (Dany Mabillard)
10 Jul-13:45:53 Veszelyite from sanguozhuang, china / #mvm (minerals - virtual museum) collection (Jordi Fabre)
09 Jul-15:45:27 Re: caldbeck fell trip (Roy Starkey)
09 Jul-10:02:30 Re: caldbeck fell trip (Forrestblyth)
09 Jul-09:41:21 Caldbeck fell trip (Forrestblyth)
08 Jul-13:17:38 Re: stellerite specimens from piedra parada, mexico (John Betts)
07 Jul-15:58:21 The mizunaka collection - beryl (Am Mizunaka)
07 Jul-15:57:07 Milpillas' azure kiss (Silvia)

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  Topic: Stumped. Help with identifying
Peter Perkins

Replies: 10
Views: 10222

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Nov 30, 2020 07:27   Subject: Re: Stumped. Help with identifying.
Bob and LAB - do you think it might be Quartz with Tourmaline in it? I wouldn't expect calcite to be quite so shiny and, if calcite, I would expect a pebble to show at least some evidence of damage f ...
  Topic: What is this?
Peter Perkins

Replies: 11
Views: 10139

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Nov 15, 2020 08:21   Subject: Re: What is this?
I think it would be more rewarding to break it in half, rather than cut it. The freshly broken surfaces might show cubes of Pyrite sticking out. If it was cut, there would be patches of gold colour ...
  Topic: Mining objects.
Peter Perkins

Replies: 30
Views: 177059

PostForum: The histories behind mineral specimens   Posted: Apr 09, 2020 02:57   Subject: Re: Mining objects.
I think wood worms are strongly of the opinion the soles are of wood!
  Topic: Could someone tell what this is, is it man made?
Peter Perkins

Replies: 7
Views: 13411

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Mar 08, 2020 12:32   Subject: Re: could someone tell what this is, is it man made?
Definitely a sandstone. At certain times during its formation the rivers feeding into the zone of sedimentation were carrying a lot more mica flakes than usual. Maybe call it a micaceous sandstone
  Topic: Maximum number of minerals on a specimen
Peter Perkins

Replies: 37
Views: 132708

PostForum: The Ten Thousand Club   Posted: May 06, 2018 03:02   Subject: Re: Maximum number of minerals on a specimen
To those waiting to hear about "Trepca Minerals Atlas" - I'm still waiting for a reply.
To those specially interested in Sulfides - do you know of this book:- "Pyrite" by David R ...
  Topic: Maximum number of minerals on a specimen
Peter Perkins

Replies: 37
Views: 132708

PostForum: The Ten Thousand Club   Posted: Apr 30, 2018 04:41   Subject: Re: Maximum number of minerals on a specimen
Peter and Bob (and others) I am obtaining for you the details of where to get the book together with cost (I didn't have to purchase mine). I can give you the ISBN:- 978-9951-466-76-9. I will get back ...
  Topic: Maximum number of minerals on a specimen
Peter Perkins

Replies: 37
Views: 132708

PostForum: The Ten Thousand Club   Posted: Apr 29, 2018 14:02   Subject: Re: Maximum number of minerals on a specimen
Bob, I like the idea of 'sociable sulphides' I scrolled down your first three images and came to the fourth, without looking at the description first, and thought "That looks like Trepĉa!&qu ...
  Topic: Quartz druze
Peter Perkins

Replies: 12
Views: 19011

PostForum: Mines and Mineral Localities   Posted: Apr 08, 2016 03:48   Subject: Re: Quartz druze.
vic: You appear to be attacking it with a steel bar. Why not leave it for others to appreciate?
  Topic: Which club??
Peter Perkins

Replies: 13
Views: 19528

PostForum: Off-Topic and Introductions   Posted: Dec 22, 2015 04:02   Subject: Re: Which club??
I thought you would have found a club by now!
Try Black Country Geol Soc at https://bcgs.info/pub/
or the West Midlands Regional Group of the Geol Soc at https://www.geolsoc.org.uk/wmrg
[I used to ...
  Topic: Please help with fluorescent minerals
Peter Perkins

Replies: 9
Views: 13608

PostForum: Off-Topic and Introductions   Posted: Nov 12, 2015 15:57   Subject: Re: Please help with fluorescent minerals
Kat,
In my experience of teaching in schools and showing minerals and fossils to youngsters of all ages your step daughter will be more enthralled by the three dimensions of minerals in ordinary ligh ...
  Topic: Uhaul
Peter Perkins

Replies: 8
Views: 14988

PostForum: Off-Topic and Introductions   Posted: Apr 30, 2014 03:09   Subject: Re: Uhaul
We had better tell them that Dolomite is hexagonal and not cubic! Peter
  Topic: Royal Blue Lapis Lazuli
Peter Perkins

Replies: 8
Views: 12875

PostForum: Off-Topic and Introductions   Posted: Mar 09, 2014 03:33   Subject: Re: Royal Blue Lapis Lazuli
Mark, If you are going to talk about the cambro-ordivician boundary, never mind waving your arms about, nobody will know what you are talking about!
  Topic: Question About Basalt
Peter Perkins

Replies: 4
Views: 11281

PostForum: Minerals and Mineralogy   Posted: Apr 26, 2013 08:44   Subject: Re: Question About Basalt
trtlman,
I have a suggestion about the glassy bumps that are white. Although I must say that the white on the first picture isn't what I would expect. Lets go back to the formation - when the rock ...
  Topic: Looking for geologic/mineral sites to visit in Spain, Portugal
Peter Perkins

Replies: 6
Views: 19275

PostForum: Rockhounding trips   Posted: Apr 15, 2013 04:22   Subject: Re: Looking for geologic/mineral sites to visit in Spain, Portugal
Pete,
My first suggestion is to google Geoparks. In N. Portugal there is one in and around Arouca - biotite nodules and giant trilobites as well as other geological features. There is a second one ...
  Topic: Difference?
Peter Perkins

Replies: 9
Views: 15543

PostForum: Minerals and Mineralogy   Posted: Feb 25, 2013 04:38   Subject: Re: Difference?
Think of a crystal as a manifestation of a mineral. A mineral may take the form of a crystal - in fact, it does so more often than not.
 
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