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| Search found 3799 matches |
| Author | Message |
|---|---|
 Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
 Forum: Mines and Mineral Localities Posted: Aug 07, 2020 17:26 Subject: Popular Minerals - Twinned Quartz (Japan law twin) from Colombia |
| Very aerial group of Quartz crystals twinned by the Japan-law and doubly terminated. The crystals have inclusions and negative forms of Quartz inside. | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Aug 05, 2020 16:56 Subject: Popular Minerals - Fluorapatite from Panasqueira, Portugal |
| The upper levels of the great classic mine of Panasqueira are now producing very good specimens. We have gone from a period of scarcity to the current wealth, but in my opinion we are in a transitory ... | |
| Topic: The MIM Museum in Beirut, Lebanon |
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| Jordi Fabre Replies: 212 Views: 294498 |
Forum: MIM Museum (Beirut, Lebanon) Posted: Aug 05, 2020 03:56 Subject: The MIM Museum in Beirut, Lebanon - Solidarity with the Lebanese people! |
| Despite the recent, tremendous explosion in Beirut, news has reached us that Salim, his employees and his family are basically fine, although with some injured and two relatives who have miraculously ... | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Aug 02, 2020 12:46 Subject: Popular Minerals - Wurtzite with Galena from the Ánimas Mine, Bolivia |
| Rosette growths of lamellar Wurtzite crystals with a very sharp hexagonal contour and unusually large in size for the species, on matrix and with cube-octahedral crystals of Galena. This well-known sp ... | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 31, 2020 17:04 Subject: Popular Minerals - Large Fluorite from La Viesca Mine, Asturias, Spain |
| Group of crystals of cubic habit beveled by the rhombododecahedron, translucent and on matrix with small Quartz crystals. | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 28, 2020 16:47 Subject: Popular Minerals - Gold from China |
| Aggregate of elongated octahedral crystals with skeletal and hollow growths but with well defined crystalline forms. | |
| Topic: Wanlockhead |
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| Jordi Fabre Replies: 6 Views: 826 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jul 27, 2020 12:53 Subject: Re: Wanlockhead |
| There is some fluorescence
Why not then? Cerussite is very sensitive to the water and frequently shows this rounded appearance due to partial dissolutions. Put a small parcel inside HCl 10% or simi ... |
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| Topic: Wanlockhead |
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| Jordi Fabre Replies: 6 Views: 826 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jul 27, 2020 07:31 Subject: Re: Wanlockhead |
| Try the fluorescence. It could be Cerussite... | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 25, 2020 18:00 Subject: Popular Minerals - Sphalerite from Áliva, Cantabria, Spain |
| Complex Sphalerite crystals with curved faces and edges. On matrix with white rhombohedral Dolomite crystals. | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 22, 2020 14:10 Subject: Popular Minerals - Proustite from the Imiter Mine, Morocco |
| Proustite crystals with very well defined faces and edges and pyramidal terminations, transparents and with small white Quartz coatings. | |
| Topic: The Mineral Collecting History of the 79 Mine, Gila County, Arizona, USA - (33) |
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| Jordi Fabre Replies: 15 Views: 1870 |
Forum: Featured Columns of FMF Posted: Jul 22, 2020 12:34 Subject: Now in the ISSN!: The Mineral Collecting History of the 79 Mine - (33) |
| On the Spanish side of FMF a few months ago we managed to get certain sections (two at this time) of the Spanish FMF to be admitted by the International Standard Serial Number. This is the reason why ... | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 18, 2020 14:20 Subject: Popular Minerals - Calcite from the Bigrigg Mine, England |
| Druse of complex Calcite crystals with dominant scalenohedron faces and with reddish inclusions of Hematite. An English classic, really old and with a complex pedigree, with two labels that detail muc ... | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 15, 2020 13:34 Subject: Popular Minerals - Fluorite from La Viesca Mine, Asturias, Spain |
| Two cubic Fluorite crystals beveled by the rhombododecahedron and with geometric color zoning. | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 12, 2020 16:35 Subject: Popular Minerals - Scheelite from Mount Xuebaoding, China |
| Multiple growth of dipyramidal crystals with sharp faces and edges, on matrix with leafy aggregates of Muscovite crystals. Large size of both the piece as a whole and the Scheelite crystals, which at ... | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 07, 2020 13:51 Subject: Popular Minerals - Laurentthomasite |
| Hexagonal floater crystal of Laurentthomasite with very marked polycrystalline growths, transparent and with an intense deep blue color. The species, a magnesium-potassium cyclosilicate, is a rarity r ... | |
| Topic: Tourmaline |
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| Jordi Fabre Replies: 16 Views: 1622 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jul 06, 2020 08:16 Subject: Re: Tourmaline |
| ...Find one that matches and has the same color and you may have a locality match.
Maybe Sahatany Valley, Madagascar. Almost sure it is not Malkhan, it does not match the epoque nor the color tonalit ... |
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| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 04, 2020 18:20 Subject: Popular Minerals - Elbaite from Pederneira claim |
| Elbaite with Mica from Pederneira claim | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jul 03, 2020 14:07 Subject: Popular Minerals - Chrysocolla coating Quartz from the Tentadora Mine |
| Chrysocolla coating Quartz from the Tentadora Mine, Peru | |
| Topic: Popular Minerals |
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| Jordi Fabre Replies: 25 Views: 4286 |
Forum: Mines and Mineral Localities Posted: Jun 26, 2020 17:06 Subject: Popular Minerals - Cassiterite from Mount Xuebaoding |
| Cassiterite from Mount Xuebaoding, Pingwu, Sichuan Province, China | |
| Topic: Pyrite? |
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| Jordi Fabre Replies: 11 Views: 1194 |
Forum: What is it? - Where is it from? Posted: Jun 25, 2020 17:18 Subject: Re: Pyrite? |
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It’s a type of pyrite, a concretion called a Pyrite Sun. They are fragile, I’ve seen mounds of pyrite sands dumped aside at an open cut coal mine so I guess many of these get destroyed in pursuit of ... |
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