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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 6 matches |
| Author | Message |
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 Topic: What rock matt black color high density medium hard ? |
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| User4242333 Replies: 11 Views: 8627 |
 Forum: What is it? - Where is it from? Posted: Jun 24, 2021 00:17 Subject: Re: What rock matt black color high density medium hard ? |
| Why do I need to post other measurements ?
The answer was already given= *Hornfels* as in 3rd post. I'm happy with that answer. I will now move on and thank for that answer. Without further movi ... |
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| Topic: What rock matt black color high density medium hard ? |
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| User4242333 Replies: 11 Views: 8627 |
Forum: What is it? - Where is it from? Posted: Jun 23, 2021 23:56 Subject: Re: What rock matt black color high density medium hard ? |
| It might be Hornfels.
When black stones were raw field finds they had similar small brown rust/sand deposits as in this photo. That is before rock tumbling machine, dremeling and water sand paperin ... |
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| Topic: What rock matt black color high density medium hard ? |
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| User4242333 Replies: 11 Views: 8627 |
Forum: What is it? - Where is it from? Posted: Jun 23, 2021 23:43 Subject: Re: What rock matt black color high density medium hard ? |
| Yellow stone is not "plastic" or "amber".
No amber in Finland where I live. |
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| Topic: What rock matt black color high density medium hard ? |
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| User4242333 Replies: 11 Views: 8627 |
Forum: What is it? - Where is it from? Posted: Jun 23, 2021 23:34 Subject: Re: What rock matt black color high density medium hard ? |
| "nagging suspicion you believe in 'mineral magic or mineral healing'. "
- I wrote I have polished them with Dremel tool and water sand paper (Mirka brand). - I have made the smaller one as ... |
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| Topic: What rock matt black color high density medium hard ? |
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| User4242333 Replies: 11 Views: 8627 |
Forum: What is it? - Where is it from? Posted: Jun 23, 2021 07:29 Subject: Re: What rock matt black color high density medium hard ? |
| Second photo. | |
| Topic: What rock matt black color high density medium hard ? |
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| User4242333 Replies: 11 Views: 8627 |
Forum: What is it? - Where is it from? Posted: Jun 23, 2021 07:28 Subject: What rock matt black color high density medium hard ? |
| What stone identify ?
- Matt black color. ( Even when polished.) - High density and medium hard. You can carve it with Dremel tools. |
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