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cyberdan

No Gem And Mineral Show Near Me So I Need Help

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No gem and mineral show near me so I need help. The closest rock club is two hours south. 

I go beach combing a couple times a week if the weather and tides are good. I look and find agates, sea glass, seal bones and driftwood. But I also find things I can not identify like the rock in my photo. I found it on the beach. It looks like obsidian with clear and green inclusions. It is as big as a goose egg. Everything looks like glass slag but I do not know of any glass factory north of me. (I am 20 miles south of Oregon) I would think if is was slag more pieces would also be seen, even very tiny.

Any ideas?

 

OBSIDIAN.jpg

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Sure looks like mixed glass. I have heard of a meteorite causing similar formations by landing in a silica-rich environment. But they usually happen in deserts as opposed to beaches. Wish I could tell you more.

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Whatever its origin, that took some intense heat followed by a quick chill.

I think it is cool no matter whether it is glass foundry refuse, volcanic obsidian, or meteorite creation.

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It almost has an amber look to it but the green is totally throwing me. I vote for glass slag but it is extremely hard to id pictures of rocks. Neat find whatever it is.

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On 2/7/2018 at 7:47 AM, Steve Herschbach said:

It almost has an amber look to it 

That amber "look" is also glassy and mixed in everywhere. This is the closest color I can find that matches. (thicker part at base)retro-amber-gold-glass-tumblers-set-of-1

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I was referring to the mineral which has a distinct resinous luster....

https://en.wikipedia.org/wiki/Amber

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Strange for sure. I have seen some real dark amber and amber is quite soft

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