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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.
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| Search found 27 matches |
| Author | Message |
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 Topic: New book:"Crystal Forms of Fluorite - Kristallformen von Fluorit" |
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| John Nash Replies: 11 Views: 31257 |
 Forum: Mineralogical Literature Posted: May 11, 2014 15:13 Subject: Re: New book:"Crystal Forms of Fluorite - Kristallformen von Fluorit" |
| Thanks to Eddy for this historical work! Magical is the only way I can describe this. I got the book in the mail last week. I'm only beginning to sample the richness of the photos and diagrams. The ke ... | |
| Topic: Natrolite plus what? From South Island, New Zealand |
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| John Nash Replies: 12 Views: 13353 |
Forum: Minerals and Mineralogy Posted: Apr 30, 2014 21:14 Subject: Re: Natrolite plus what? From South Island, New Zealand |
| Thanks again for the opinions. I've contacted Frank van Betuw of the Otago Rock and Mineral club in Dunedin, South Island, New Zealand, who has passed the photos and explanation on to some local zeoli ... | |
| Topic: Natrolite plus what? From South Island, New Zealand |
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| John Nash Replies: 12 Views: 13353 |
Forum: Minerals and Mineralogy Posted: Apr 28, 2014 20:49 Subject: Re: Natrolite plus what? From South Island, New Zealand |
| Thanks all for your comments! I just tested the material and it does not fizz in HCl. I also just realized I've got large tabular crystals of Baryte from Morocco that appear identical to these tiny o ... | |
| Topic: Natrolite plus what? From South Island, New Zealand |
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| John Nash Replies: 12 Views: 13353 |
Forum: Minerals and Mineralogy Posted: Apr 27, 2014 20:20 Subject: Re: Natrolite plus what? From South Island, New Zealand |
| The crystals look a bit "thin" for heulandite for me. Maybe Baryte?
Thanks Steve, It does look like a tabular Baryte, and there is no pearly luster as with heulandite. I should add that t ... |
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| Topic: Natrolite plus what? From South Island, New Zealand |
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| John Nash Replies: 12 Views: 13353 |
Forum: Minerals and Mineralogy Posted: Apr 26, 2014 23:56 Subject: Natrolite plus what? From South Island, New Zealand |
| I would appreciate any opinions regarding what the orange, tabular crystals in this natrolite specimen from South Island, New Zealand might be. I've attached a picture of the full specimen, then a cou ... | |
| Topic: New book:"Crystal Forms of Fluorite - Kristallformen von Fluorit" |
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| John Nash Replies: 11 Views: 31257 |
Forum: Mineralogical Literature Posted: Apr 15, 2014 22:00 Subject: Re: New book:"Crystal Forms of Fluorite - Kristallformen von Fluorit" |
| Hi Roger,
Yes, please invite your friend to manifest on this forum. And let us know how to purchase this book. Fluorite with its colors and crystal forms is my continuing fascination. John |
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| Topic: Calcite crystals of the Faraday Mine |
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| John Nash Replies: 1 Views: 4867 |
Forum: Minerals and Mineralogy Posted: Mar 23, 2014 14:18 Subject: Calcite crystals of the Faraday Mine |
| A question for the crystallographically-inclined. I recently obtained my second large Faraday calcite specimen. The hematite-involved calcite crystals from the Faraday Mine seem quite unique. They are ... | |
| Topic: "What's in a name?" - thoughts on the subject of provenance |
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| John Nash Replies: 28 Views: 45662 |
Forum: Minerals and Mineralogy Posted: Nov 03, 2013 11:31 Subject: Re: "What's in a name?" - thoughts on the subject of provenance |
| I think of myself as a curator of my specimens; the provenance is part of the specimen. I don't pay much more for a specimen "just" because it is from a well-known collector, although perhap ... | |
| Topic: Calcite with an interesting termination - from a parking lot |
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| John Nash Replies: 5 Views: 10514 |
Forum: Mines and Mineral Localities Posted: Jul 27, 2013 20:53 Subject: Re: Calcite with an interesting termination - from a parking lot |
| Thanks Pete! I appreciate your drawing it out for me.
Most of the basalts along the western shore of Lake Superior (Minnesotan's call it the North Shore) aren't very vuggy. There are some very big ... |
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| Topic: Calcite with an interesting termination - from a parking lot |
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| John Nash Replies: 5 Views: 10514 |
Forum: Mines and Mineral Localities Posted: Jul 27, 2013 00:45 Subject: Calcite with an interesting termination - from a parking lot |
| This is a fun surprise. I found this in a small vug in basalt on the edge of a parking lot. The locality I've mentioned before, the Onion River, just south of Lutsen, Minnesota. The specimen is about ... | |
| Topic: Unfriendly aeroports: a danger for the mineral collector |
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| John Nash Replies: 4 Views: 8653 |
Forum: Off-Topic and Introductions Posted: Jun 07, 2013 01:04 Subject: Re: Unfriendly aeroports: a danger for the mineral collector |
| Hi Valère,
I suspect Amsterdam is a particularly friendly airport. We visited friends in Belgium some years ago. One friend was kind enough to arrange to blow up part of a limestone quarry (he was ... |
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| Topic: A mineralogical trip through the states of USA - Wisconsin |
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| John Nash Replies: 15 Views: 35657 |
Forum: A mineralogical trip through the states of USA Posted: Jan 15, 2013 11:31 Subject: Re: A mineralogical trip through the states of USA - Wisconsin |
| Here's one of my Shullsburg calcites | |
| Topic: A mineralogical trip through the states of USA - Minnesota |
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| John Nash Replies: 12 Views: 32713 |
Forum: A mineralogical trip through the states of USA Posted: Aug 11, 2012 23:35 Subject: Re: A mineralogical trip through the states of USA - Minnesota |
| Some summer finds from Minnesota | |
| Topic: A mineralogical trip through the states of USA - Tennessee |
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| John Nash Replies: 20 Views: 51141 |
Forum: A mineralogical trip through the states of USA Posted: Jul 22, 2012 19:54 Subject: Re: A mineralogical trip through the states of USA - Tennessee |
| Here's a couple of my favorite Elmwood calcites. | |
| Topic: A mineralogical trip through the states of USA - Iowa |
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| John Nash Replies: 10 Views: 28783 |
Forum: A mineralogical trip through the states of USA Posted: Jun 03, 2012 22:16 Subject: Re: A mineralogical trip through the states of USA - Iowa |
| One more, a lovely double terminated Baryte group on limestone from the Linwood Mine. The Linwood mine produces some interesting Baryte and very fine calcites and Barytes. This one consists of a remar ... | |
| Topic: A mineralogical trip through the states of USA - Iowa |
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| John Nash Replies: 10 Views: 28783 |
Forum: A mineralogical trip through the states of USA Posted: Jun 03, 2012 22:09 Subject: Re: A mineralogical trip through the states of USA - Iowa |
| Here's a nice calcite from the Linwood Mine. | |
| Topic: A mineralogical trip through the states of USA - Iowa |
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| John Nash Replies: 10 Views: 28783 |
Forum: A mineralogical trip through the states of USA Posted: Jun 03, 2012 20:08 Subject: Re: A mineralogical trip through the states of USA - Iowa |
| This is a huge, gemmy Baryte, the best I've seen so far from the Linwood mine. It is a cluster of large, parallel growth twin crystals, two of which show double terminations and are 10.5 cm long. One ... | |
| Topic: A mineralogical trip through the states of USA - Montana |
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| John Nash Replies: 15 Views: 34530 |
Forum: A mineralogical trip through the states of USA Posted: Mar 18, 2012 23:43 Subject: Re: A mineralogical trip through the states of USA - Montana |
| Gallatin Canyon calcite is so lovely, here's one of mine. | |
| Topic: How to clean acicular crystals? |
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| John Nash Replies: 8 Views: 16817 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Mar 12, 2012 21:38 Subject: Re: How to clean acicular crystals? |
| David, I also like acicular crystals. I like to swish them in a roomy bucket of warm soapy water while holding the specimen upside down (firmly) with minerals that form radiating clusters, so as to al ... | |
| Topic: A mineralogical trip through the states of USA - Minnesota |
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| John Nash Replies: 12 Views: 32713 |
Forum: A mineralogical trip through the states of USA Posted: Nov 28, 2011 00:24 Subject: Re: A mineralogical trip through the states of USA - Minnesota |
| One more from the Knife River, just now trimmed and cleaned. | |
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