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How are opals formed?

Topic: Science ,    Subtopic: Geology Tags: rocks minerals

Are they formed differently from other rocks? A specific process?...

asked: UTC 2020-07-22 07:50 PM
image myee4 (90)
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1 answers
2.2k views

Can you actually get a small profit doing your own opal mining at a tourist spot like Royal Peacock in Nevada, or would you be better off gambling?

Topic: Science ,    Subtopic: Geology Tags: mining tourism

I'm not asking if I should quit my day job or anything like that, but I think it would be really cool to have the cahnce to actually earn a little cash when on a vacation. I heard about opal mining tourism and I love the idea. However, I have no idea what kinds of opals are worth what and if how rar...

asked: UTC 2020-07-27 09:27 PM
image myee4 (90)
0 votes
1 answers
2.2k views

Where do most commercial geodes come from in 2020?

Topic: Science ,    Subtopic: Geology Tags: geode

My brother gave me a geode last week and I was wondering where it might have come from. I know he bought it, but I'm trying to figure out where whatever company sold it to him found it. Is there a sort of "mining" industry for geodes in 2020? Or are they just stumbled upon? ...

asked: UTC 2020-08-06 08:55 PM
image myee4 (90)