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Newest topics and users posts
26 May-00:06:47 Re: collection of fiebre verde (Franjungle)
26 May-00:00:25 Re: franjungle collection (Franjungle)
25 May-20:21:13 Re: please identify - rock with white inclusions (Foreman)
25 May-20:16:36 Re: new mexico collecting - (27) (Philip Simmons)
25 May-19:24:22 Re: new mexico collecting - (27) (Philip Simmons)
25 May-18:39:19 The mizunaka collection - quartz (Am Mizunaka)
25 May-15:34:46 Re: collection of fiebre verde - muzo (#700) (Fiebre Verde)
25 May-12:24:51 Re: hematite twins (article in rocks & minerals jan/feb 2018) (Pete Richards)
24 May-23:49:50 Re: new mexico collecting - (27) (Philip Simmons)
24 May-22:56:37 Re: new mexico collecting - (27) (Philip Simmons)
24 May-16:09:47 Re: new mexico collecting - (27) (Chris Rayburn)
24 May-15:16:23 Re: new mexico collecting - (27) (Philip Simmons)
24 May-11:08:58 Re: simone citon mineral collection (J. G. Alcolea)
24 May-06:25:09 Re: new mexico collecting - (27) (Chris Rayburn)
24 May-03:12:51 The mizunaka collection - rhodochrosite (Am Mizunaka)
24 May-00:54:17 Re: collection of heimo hellwig (Heimo Hellwig)
23 May-22:35:53 Re: new mexico collecting - (27) (Philip Simmons)
23 May-16:52:55 Re: please help identify (Kevin Schofield)
23 May-16:42:22 Re: please help identify (Southernappalachian)
23 May-16:02:44 Re: please help identify (Kevin Schofield)
23 May-15:26:40 Please help identify (Southernappalachian)
23 May-14:41:14 Re: the mizunaka collection - quartz (Am Mizunaka)
23 May-10:24:44 Re: collection of dontgogreen (Dontgogreen)
23 May-03:52:50 Re: the mizunaka collection - quartz (Pierre Joubert)
23 May-00:54:59 Re: please identify - rock with white inclusions (Foreman)

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  Topic: Breakfast With Minerals - Podcast Discussion - Episode 01
Jesse Fisher

Replies: 45
Views: 3564

PostForum: Blue Cap Productions   Posted: May 13, 2018 12:12   Subject: Re: Breakfast With Minerals - Podcast Discussion - Episode 01
Not that I want to necessarily beat an already injured horse to death, but I think the use of the term "industry" to describe the mineral collecting hobby suggests a potential bias built in ...
  Topic: Breakfast With Minerals - Podcast Discussion - Episode 01
Jesse Fisher

Replies: 45
Views: 3564

PostForum: Blue Cap Productions   Posted: May 11, 2018 00:31   Subject: Re: Breakfast With Minerals - Podcast Discussion - Episode 01
Sorry Bob C, but the Enterprise is a star ship.

Sorry Matt, it's still just an aircraft carrier! Maybe some day....
  Topic: Are there diamonds, peridot and sapphire in the igneous rocks?
Jesse Fisher

Replies: 2
Views: 459

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Apr 23, 2018 12:00   Subject: Re: Are there diamonds, peridot and sapphire in the igneous rocks?
Peridot is the gem trade name for minerals of the olivine group (Mg-rich forsterite and Fe-rich fayalite). Forsterite is commonly found in many basalts and related igneous rocks. Zabargad (St John's I ...
  Topic: Favourite Barytes?
Jesse Fisher

Replies: 2
Views: 463

PostForum: Favorite Minerals   Posted: Apr 10, 2018 11:15   Subject: Re: Favourite Barytes?
I've always been fond of the barites from the West Cumbrian (formerly Cumberland) Iron Orefield. At the height of mining in the area during the latter part of the 19th century, there were dozens of ac ...
  Topic: Favourite Fluorites?
Jesse Fisher

Replies: 183
Views: 133619

PostForum: Favorite Minerals   Posted: Apr 09, 2018 18:05   Subject: Re: Favourite Fluorites?
We seem to be visiting Morocco a bit lately, so here's another one.
  Topic: MineralienWelt special issue about Bad Ems Pyromorphite
Jesse Fisher

Replies: 1
Views: 400

PostForum: MINERALIEN-Welt   Posted: Apr 08, 2018 12:19   Subject: Re: MineralienWelt special issue about Bad Ems Pyromorphite
Rainer & Co. always do a very good job, and at least the photos are always in English!
  Topic: A mineralogical trip through the regions of the UK - England / County Durham
Jesse Fisher

Replies: 105
Views: 51113

PostForum: A mineralogical trip through the regions of the UK   Posted: Apr 02, 2018 00:24   Subject: Re: A mineralogical trip through the regions of the UK - England / County Durham
A bit of nostalgia - specimen was recovered in May 1999 from the first workings at the Black Sheep Pocket.
  Topic: Is this fluorite?
Jesse Fisher

Replies: 28
Views: 2273

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Apr 01, 2018 23:33   Subject: Re: Is this fluorite?
Fluorite has a very characteristic octahedral cleavage, which I do not see on your specimen. There are, however, some conchoidal fracture patterns (as mentioned by Peter), which are more typical of gl ...
  Topic: San Benito County
Jesse Fisher

Replies: 9
Views: 1598

PostForum: Minerals and Mineralogy   Posted: Mar 15, 2018 10:59   Subject: Re: San Benito County
It is my understanding that the locality is essentially finished. However, there are at least two folks I am aware of who acquired fair amounts of unprocessed material from the mine prior to closure, ...
  Topic: A mineralogical trip through the regions of the UK - England / Cumbria
Jesse Fisher

Replies: 132
Views: 88314

PostForum: A mineralogical trip through the regions of the UK   Posted: Mar 06, 2018 18:48   Subject: Re: A mineralogical trip through the regions of the UK - England / Cumbria
Witherite from the Nentsberry Haggs Mine, near Nenthead, Alston Moor. Much of the witherite from this mine has been at least partially pseudomorphed by barite, and is possibly the case with this spec ...
  Topic: A mineralogical trip through the regions of the UK - England / County Durham
Jesse Fisher

Replies: 105
Views: 51113

PostForum: A mineralogical trip through the regions of the UK   Posted: Mar 01, 2018 14:36   Subject: Re: A mineralogical trip through the regions of the UK - England / County Durham
Two cross veins in the Rogerley system are exposed in an extension of the Rogerley quarry, NW of the main mine site. The larger of the two has been named the "Sutcliffe Vein" in honor of Lin ...
  Topic: A mineralogical trip through the regions of the UK - England / County Durham
Jesse Fisher

Replies: 105
Views: 51113

PostForum: A mineralogical trip through the regions of the UK   Posted: Feb 27, 2018 00:29   Subject: Re: A mineralogical trip through the regions of the UK - England / County Durham
The Killhope Mine, located in the upper (western) part of Weardale was an active lead mine during the 19th century. The main adit (or horse level) is known as the Park Level. In recent years the site ...
  Topic: Favourite Fluorites?
Jesse Fisher

Replies: 183
Views: 133619

PostForum: Favorite Minerals   Posted: Feb 21, 2018 13:06   Subject: Re: Favourite Fluorites?
Another new fluorite from the recent Tucson show. The exact location is given as "Jebel Tighemi, Taourirt, Morocco." Jebel Tighemi is not a listed location on Mindat, so perhaps this is a ne ...
  Topic: A mineralogical trip through the regions of the UK - England / County Durham
Jesse Fisher

Replies: 105
Views: 51113

PostForum: A mineralogical trip through the regions of the UK   Posted: Feb 16, 2018 17:46   Subject: Re: A mineralogical trip through the regions of the UK - England / County Durham
Fluorite twins from the Frazer's Hush Mine, Rookhopeburn, Weardale.
  Topic: A mineralogical trip through the regions of the UK - England / Cumbria
Jesse Fisher

Replies: 132
Views: 88314

PostForum: A mineralogical trip through the regions of the UK   Posted: Feb 16, 2018 13:12   Subject: Re: A mineralogical trip through the regions of the UK - England / Cumbria
A nice Frizington barite/baryte found at the recent Tucson show. A couple of former collection numbers are on the back, but as is often the case, no historical labels accompanied the specimen.
  Topic: Favourite Fluorites?
Jesse Fisher

Replies: 183
Views: 133619

PostForum: Favorite Minerals   Posted: Feb 14, 2018 13:46   Subject: Re: Favourite Fluorites?
New from Tucson, not the most colorful fluorite around, but I thought the crystallographicly oriented second generation of cube-octahedrons on the points of first generation octahedrons very interesti ...
  Topic: Favourite Fluorites?
Jesse Fisher

Replies: 183
Views: 133619

PostForum: Favorite Minerals   Posted: Jan 09, 2018 12:06   Subject: Re: Favourite Fluorites?
Far too many classic mineral localities are no longer accessible, or even existent. The Heights Mine is a good example. During the mid to late 19th century an underground Heights Mine was established ...
  Topic: The overall health of this hobby
Jesse Fisher

Replies: 26
Views: 4547

PostForum: Off-Topic and Introductions   Posted: Jan 05, 2018 13:23   Subject: Re: The overall health of this hobby
Peter - I too have often wondered about the gross disparity between those who collect minerals and those with an education in the geosciences. Perhaps the urge to collect and one's particular educatio ...
  Topic: A mineralogical trip through the regions of the UK - England / Cumbria
Jesse Fisher

Replies: 132
Views: 88314

PostForum: A mineralogical trip through the regions of the UK   Posted: Jan 05, 2018 12:26   Subject: Re: A mineralogical trip through the regions of the UK - England / Cumbria
Another Nenthead specimen. Fluorite is less common in the Alston Moor mines than in Weardale, just to the east in Co. Durham. The Jug Vein accessed by the Brownley Hill Mine is known for amber/yellow ...
  Topic: The overall health of this hobby
Jesse Fisher

Replies: 26
Views: 4547

PostForum: Off-Topic and Introductions   Posted: Jan 04, 2018 19:16   Subject: Re: The overall health of this hobby
Unfortunately, I agree that there is a rapidly changing demographic of people in this hobby. With the declining emphasis on science in education, young people are not being exposed to things like this ...
 
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