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| Search found 11 matches |
| Author | Message |
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 Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
 Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 14, 2023 10:24 Subject: Re: Semi-spherical exterior, radiating interior stone |
| May your rocks never rot!
m |
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| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 13, 2023 07:31 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Thank you very much for that explanation. There will always be mysteries I will never solve: why this shape, and why here? Not as definitive an ending as I had hoped for after all these years, but Lif ... | |
| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 13, 2023 00:05 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Much reading and viewing images has left me with an information overload (at 72) that I am not sure what to do with. My uneducated assessment is that as a result of a streak test, which yielded a dark ... | |
| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 11, 2023 12:54 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Well that tid bit of magnetic information is a real help.
That leaves me totally lost as to what it is--again! |
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| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 11, 2023 12:52 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Thank you for the suggested ways of determining the hardness. I'm not good with math in figuring densities, but I'll watch the tutorial and give it a try. I have a better understanding of knives.
I ... |
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| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 11, 2023 12:42 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Thanks for joining in. I really appreciate your time and education.
Iron is not a possibility in that there is zero magnetic attraction. That is the first thing I tried. So the quest continues. ... |
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| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 11, 2023 10:45 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Thank you for these images.
The last one from alamy strikes me as the closest to my specimen as anything I have seen, though the mineral content is not the same. My uneducated guess is that the mi ... |
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| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 11, 2023 00:19 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Yes. I found this very image during my research. BUT, the major difference is mine is completely rounded, and all surfaces, as I just posted, are absolutely smooth. Your image indicates a protrusion o ... | |
| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 11, 2023 00:14 Subject: Re: Semi-spherical exterior, radiating interior stone |
| To All: I am delighted in your fervent explorations of the possibilities.
I know nothing. And the Charlie Brown peanut gallery can only offer that it was found in desert sand with nothing remotely ... |
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| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 10, 2023 12:11 Subject: Re: Semi-spherical exterior, radiating interior stone |
| Its a fossil shell.
Dohmophyllum involutum, Columnariina. With google its easy to find similar photos. That was quick! Thanks for your keen observation. Michael |
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| Topic: Semi-spherical exterior, radiating interior stone |
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| crowinfocus Replies: 31 Views: 22754 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 10, 2023 11:28 Subject: Semi-spherical exterior, radiating interior stone |
| I was a young kid looking for arrowheads just outside the small Mexican border town of Zapata, Texas USA when I found the pictured stone. Now 72, I have carried this stone with me, always curious but ... | |
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