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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 23 matches |
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Peter Perkins Replies: 10 Views: 10049 |
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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 ... | |
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Peter Perkins Replies: 11 Views: 10020 |
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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 ... | |
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Peter Perkins Replies: 30 Views: 176105 |
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I think wood worms are strongly of the opinion the soles are of wood! | |
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Peter Perkins Replies: 7 Views: 13296 |
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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 | |
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Peter Perkins Replies: 37 Views: 131733 |
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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 ... |
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Peter Perkins Replies: 37 Views: 131733 |
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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 ... | |
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Peter Perkins Replies: 37 Views: 131733 |
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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 ... | |
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Peter Perkins Replies: 12 Views: 18920 |
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vic: You appear to be attacking it with a steel bar. Why not leave it for others to appreciate? | |
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Peter Perkins Replies: 13 Views: 19358 |
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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 ... |
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Peter Perkins Replies: 9 Views: 13475 |
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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 ... |
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Peter Perkins Replies: 8 Views: 14881 |
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We had better tell them that Dolomite is hexagonal and not cubic! Peter | |
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Peter Perkins Replies: 8 Views: 12753 |
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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! | |
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Peter Perkins Replies: 4 Views: 11237 |
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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 ... |
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Peter Perkins Replies: 6 Views: 19122 |
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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 ... |
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Peter Perkins Replies: 9 Views: 15399 |
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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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