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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 28 matches |
| Author | Message |
|---|---|
 Topic: Orthoclase and phenakite Namibia |
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| Howard Heitner Replies: 3 Views: 1335 |
 Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 27, 2025 15:55 Subject: Re: Orthoclase and phenakite Namibia |
| The dealer was an American J. B. Nichols He was based in Sacramento, California, | |
| Topic: Orthoclase and phenakite Namibia |
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| Howard Heitner Replies: 3 Views: 1335 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 24, 2025 12:08 Subject: Orthoclase and phenakite Namibia |
| This is an older specimen, It came with a dealer label which says " Orthoclase var. Paradoxite, South West Africa ( penciled in is with phenacite' ) The dealer died in 1951. Any ideas about the ... | |
| Topic: Limonite after pyrite Pretoria Mine, Argent, South Africa? |
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| Howard Heitner Replies: 1 Views: 916 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 22, 2025 14:40 Subject: Limonite after pyrite Pretoria Mine, Argent, South Africa? |
| Any ideas for a locality or mine for this pseudomorph of limonite after pyrite? I think may be a less common form because the crystals are pyritohedrons. I realize that many place names in South Afri ... | |
| Topic: Calcite pseudomorph after aragonite from Sicily |
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| Howard Heitner Replies: 2 Views: 1055 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 19, 2025 22:23 Subject: Calcite pseudomorph after aragonite from Sicily |
| This specimen came from the private collection of a calcite collector who donated it to a museum. It was later sold to me. It was labeled "calcite after aragonite " with locality Girgenti, ... | |
| Topic: Radiating quartz with ring of amethyst |
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| Howard Heitner Replies: 7 Views: 1816 |
Forum: What is it? - Where is it from? Posted: Feb 18, 2025 10:54 Subject: Re: Radiating quartz with ring of amethyst |
| Thank you. | |
| Topic: Radiating quartz with ring of amethyst |
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| Howard Heitner Replies: 7 Views: 1816 |
Forum: What is it? - Where is it from? Posted: Feb 17, 2025 15:18 Subject: Re: Radiating quartz with ring of amethyst |
| Sorry, no idea what country it is from. | |
| Topic: Radiating quartz with ring of amethyst |
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| Howard Heitner Replies: 7 Views: 1816 |
Forum: What is it? - Where is it from? Posted: Feb 17, 2025 09:34 Subject: Re: Radiating quartz with ring of amethyst |
| No other minerals present, all quartz, The same amethyst ring shows on the other side, so apparently goes all the way through. | |
| Topic: Radiating quartz with ring of amethyst |
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| Howard Heitner Replies: 7 Views: 1816 |
Forum: What is it? - Where is it from? Posted: Feb 16, 2025 20:04 Subject: Radiating quartz with ring of amethyst |
| Any ideas about locality for this specimen of radiating quartz with a ring of amethyst, The ring is about 2 cm in diameter. | |
| Topic: Unknown from Tsumeb |
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| Howard Heitner Replies: 11 Views: 2315 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 02, 2025 11:51 Subject: Re: Unknown from Tsumeb |
| This is a closeup of the unknown mineral taken with my macro lens. I am not set up for microphotography. Does it help with identification in any way? | |
| Topic: Unknown from Tsumeb |
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| Howard Heitner Replies: 11 Views: 2315 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 31, 2025 09:00 Subject: Re: Unknown from Tsumeb |
| Would not the presence or absence of zinc be sufficient to tell the difference? It is not a totally unknown mineral. It either has zinc (minrecordite) or not (dolomite) | |
| Topic: Unknown from Tsumeb |
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| Howard Heitner Replies: 11 Views: 2315 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 30, 2025 19:54 Subject: Re: Unknown from Tsumeb |
| That has been suggested to me. Would an elemental analysis by EDX be enough.? | |
| Topic: Unknown from Tsumeb |
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| Howard Heitner Replies: 11 Views: 2315 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 30, 2025 15:25 Subject: Re: Unknown from Tsumeb |
| I am very surprised that such a rare mineral or any other mineral was not on the label. The picture does not show the side where most of the dioptase crystals are, Looking closely at that side, it loo ... | |
| Topic: Unknown from Tsumeb |
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| Howard Heitner Replies: 11 Views: 2315 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 30, 2025 13:55 Subject: Unknown from Tsumeb |
| This specimen was only labeled dioptase from Tsumeb, There is obviously something else on the matrix. I was told that it might be dolomite or minrecordite, Are there any other possibilities? Can ... | |
| Topic: Adularia from Switzerland |
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| Howard Heitner Replies: 5 Views: 1494 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 28, 2025 18:15 Subject: Re: Adularia from Switzerland |
| Thank you, A simple spelling mistake on the label | |
| Topic: Adularia from Switzerland |
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| Howard Heitner Replies: 5 Views: 1494 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 28, 2025 18:13 Subject: Re: Adularia from Switzerland |
| Thank you. The .name was not spelled correctly. Found a picture of a very similar specimen on Mindat | |
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