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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 167 matches |
| Author | Message |
|---|---|
 Topic: Semi-spherical exterior, radiating interior stone |
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| SteveB Replies: 31 Views: 2140 |
 Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 10, 2023 12:49 Subject: Re: Semi-spherical exterior, radiating interior stone |
| iron concretion was my gut but non magnetic limonite is close enough. | |
| Topic: Interesting fake Cavansite |
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| SteveB Replies: 3 Views: 897 |
Forum: Incorrect classification and fakes Posted: Feb 01, 2023 21:28 Subject: Re: Interesting fake Cavansite |
| theres a LOT of fakes and lab grown minerals and gemstones cheaply available on Alibaba from China misrepresented as authentic natural minerals and a lot of sellers in western markets are buying them ... | |
| Topic: unknown - from the same bucket :) |
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| SteveB Replies: 3 Views: 1122 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 30, 2022 02:40 Subject: Re: unknown - from the same bucket :) |
| yep piece of sand polished glass not rock or mineral. | |
| Topic: How hard is it to find a new mineral species? |
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| SteveB Replies: 10 Views: 2051 |
Forum: Minerals and Mineralogy Posted: Nov 17, 2022 20:50 Subject: Re: How hard is ti to find a new mineral species? |
| New? probably difficult, but I think more problematic is multiple species actually being the same Mineral defined from say different locations by different means such as a seam split across the bounda ... | |
| Topic: Cool rock |
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| SteveB Replies: 4 Views: 1527 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 21, 2022 17:00 Subject: Re: Cool rock |
| It's a porphyry. Google porphyry formation to learn how it forms. Porphyry are very common and interesting to look at. | |
| Topic: Metallic grey mineral - request for identity help |
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| SteveB Replies: 7 Views: 1651 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 09, 2022 07:39 Subject: Re: Metallic grey mineral - request for identity help |
| I agree with your feeling it’s a mining related mineral. Mica in various forms is mined and used in many products. Crushed it is mixed into cosmetics to give ladies a “glowing” look since the mica ref ... | |
| Topic: Metallic grey mineral - request for identity help |
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| SteveB Replies: 7 Views: 1651 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 09, 2022 06:31 Subject: Re: Metallic grey mineral - request for identity help |
| Yes! Fish scales perfect description. Muscovite seems to be more what we’re looking towards what we both have. Mine is somewhere in my unsorted/ unlabeled specimens and is greenish. | |
| Topic: Metallic grey mineral - request for identity help |
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| SteveB Replies: 7 Views: 1651 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Aug 09, 2022 04:38 Subject: Re: Metallic grey mineral - request for identity help |
| I’m thinking it might be something in the mica family. Hard to tell from the photos but I have specimens that have a metallic sheen to the but are very light.
Can you break off any plates from the su ... |
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| Topic: wisdom quartz |
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| SteveB Replies: 6 Views: 2349 |
Forum: What is it? - Where is it from? Posted: Apr 16, 2022 09:15 Subject: Re: wisdom quartz |
| are these crystals-wisdom quartzes? thanks for answering
q9AIkv73UCg NO, No such thing as Wisdom Quartz, or Spirit Quartz or any other idiotic term. Its just Quartz, very plain and common worldw ... |
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| Topic: Help needed regarding first emerald |
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| SteveB Replies: 2 Views: 1286 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Apr 13, 2022 16:38 Subject: Re: Help needed regarding first emerald |
| +1 to Peter’s response. To clarify, this forum is for natural mineral specimens, NOT cut, polished or tumbled or in any way unnatural or interfered with. Financial questions are ignored. If you don't ... | |
| Topic: What is the correct name for this rock? |
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| SteveB Replies: 6 Views: 7330 |
Forum: What is it? - Where is it from? Posted: Mar 28, 2022 18:24 Subject: Re: What is the correct name for this rock? |
| I’m thinking Gneiss, thats a guess NOT an identification | |
| Topic: Should I be concerned about this nugget? |
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| SteveB Replies: 14 Views: 3684 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Mar 20, 2022 23:46 Subject: Re: Should I be concerned about this nugget? |
| If you must “clean something in the field, spit on it and rub gently, do not put in your mouth. But your after financial reward it seems, this is a mineral forum, our interest is the mineral in natura ... | |
| Topic: Should I be concerned about this nugget? |
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| SteveB Replies: 14 Views: 3684 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Mar 19, 2022 22:35 Subject: Re: Should I be concerned about this nugget? |
| Yes a density measurement is a must. Photos pretty irrelevant here, an accurate hardness test with hardness scribes will also help but density is a must.
Dont handle food after handling this and don ... |
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| Topic: Mineralogist curricula |
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| SteveB Replies: 5 Views: 1808 |
Forum: Off-Topic and Introductions Posted: Mar 19, 2022 22:15 Subject: Re: Mineralogist curricula |
| University of Washington. The famous Nick Zentner teaches geology there. | |
| Topic: Is this beryl? |
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| SteveB Replies: 14 Views: 3581 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Mar 18, 2022 19:01 Subject: Re: Is this beryl? |
| I think what you call crystal twining structure etc is just cleavage planes and pretty sure all examples are feldspar variant which has two cleavage planes. Get a set of hardness scribes to get an har ... | |
| Topic: Unknown metallic mineral |
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| SteveB Replies: 12 Views: 3138 |
Forum: What is it? - Where is it from? Posted: Mar 16, 2022 19:17 Subject: Re: Unknown metallic mineral |
| I would highly recommend investing in a set of hardness scribes which are specifically for determining hardness. The “use glass/quartz/knife” advice is meant for children to help understand the princi ... | |
| Topic: is this pyrite? |
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| SteveB Replies: 13 Views: 3896 |
Forum: What is it? - Where is it from? Posted: Mar 14, 2022 16:28 Subject: Re: is this pyrite? |
| thank you all for the info, at least i finally know what it isNO you don’t. No answer has been given nor can it without further testing, a photo of something similar is NOT identification, It caertai ... | |
| Topic: Martian minerals |
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| SteveB Replies: 1 Views: 1253 |
Forum: Minerals and Mineralogy Posted: Mar 05, 2022 06:08 Subject: Re: Martian minerals |
| Looks like a fossilised hand reaching out of the ground like the end of many horror flicks.
I would have thought the massive dust storms would destroy any interesting surface growths on Mars, her ... |
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| Topic: Corundum with green?? xls |
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| SteveB Replies: 18 Views: 5098 |
Forum: What is it? - Where is it from? Posted: Feb 21, 2022 16:48 Subject: Re: Corundum with green?? xls |
| That’s horrible behaviour and unfortunately believable. There’s one born every minute though so unethical practices will always exist everywhere and there are plenty of poor people and nations willin ... | |
| Topic: Corundum with green?? xls |
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| SteveB Replies: 18 Views: 5098 |
Forum: What is it? - Where is it from? Posted: Feb 21, 2022 14:42 Subject: Re: Corrundum with green?? xls |
| Hi Fuss!
I think I'm doubtless this time: it's a ruby with zoisite (green) and hornblende (black, small), probably from Tanzania. Greetings from Italy by Riccardo. I agree except it NOT ruby, Rub ... |
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