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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 1 match |
| Author | Message |
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 Topic: Black, metallic, yellow oxide? |
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| deadhead Replies: 24 Views: 20209 |
 Forum: What is it? - Where is it from? Posted: Oct 26, 2021 15:59 Subject: Re: black, metallic, yellow oxide? |
| Magnetite? Yellow oxide it often zinc related and here it may have nothing to do with the crystal itself but from the host matrix. Could be residue from “YellowTak” similar to “BluTak” that rubbery gu ... | |
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