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How hard is it to acquire an opalised fossil?


Notidanodon

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On 1/5/2019 at 11:23 PM, bcfossilcollector said:

Some of the most beautiful opalized wood fossils come from Nevada. Truly breathtaking!

Our rock club had a guest speaker once that brought in some of his spectacular specimens to discuss. One of them was in a jar of water. He got this while digging at an opal pay to dig site called the Peacock Mine in Nevada.

It was a perfect opal pinecone. He stated the quarry owner offered him $25,000.00 for it on the spot, but he turned it down as he wanted to keep it for his collection.

It was really full of fire too!

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On 4/24/2019 at 6:37 AM, Ludwigia said:

Here's a nice little piece of opalized wood from Nevada which I received on a trade with @ynot. It's preserved in liquid in a test tube. I'm sure he has some other samples he could show.

That is actually a limb cast. Most Virgin Valley opal is filled voids in wood casts which show no surface features.

This is from the Rainbow Ridge mine.

 

Here are a few of mine....

DSCF3801.thumb.JPG.d8cdcc8e0cd7a0525403cb1bb6819d72.JPGDSCF3808.thumb.JPG.677ee62bdfe032d88cc5aba4dc010a1f.JPGDSCF3862.JPG.370688238ed6c62372ea94741de1448a.JPGDSCF3861.thumb.JPG.e5867bd463d9b227b336cfe78e941e66.JPG

And 2 seed cones...

DSCF3114.JPG.8eec916570bfcc44859dafc4431e998b.JPGDSCF3122.JPG.60bb1ac11d4ef7d50de3d8453f4924de.JPG

 

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Darwin said: " Man sprang from monkeys."

Will Rogers said: " Some of them didn't spring far enough."

 

My Fossil collection - My Mineral collection

My favorite thread on TFF.

 

 

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On 31/05/2019 at 9:33 PM, ynot said:

That is actually a limb cast. Most Virgin Valley opal is filled voids in wood casts which show no surface features.

This is from the Rainbow Ridge mine.

 

Here are a few of mine....

DSCF3801.thumb.JPG.d8cdcc8e0cd7a0525403cb1bb6819d72.JPGDSCF3808.thumb.JPG.677ee62bdfe032d88cc5aba4dc010a1f.JPGDSCF3862.JPG.370688238ed6c62372ea94741de1448a.JPGDSCF3861.thumb.JPG.e5867bd463d9b227b336cfe78e941e66.JPG

And 2 seed cones...

DSCF3114.JPG.8eec916570bfcc44859dafc4431e998b.JPGDSCF3122.JPG.60bb1ac11d4ef7d50de3d8453f4924de.JPG

 

wow that is great all opal is cool:)

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They are so beautiful, but I do ask - why are some stored in water?  Just to show off colours or is it for preservation?

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On 6/8/2019 at 2:55 AM, 6ix said:

why are some stored in water? 

Most opal has a high content of water in it when dug up. As the water is evaporated the opal will shrink (like mud) and form cracks. Some opals are so unstable they will crack within minutes of being removed from the ground, and can turn to "sand" in weeks or years if not kept in fluid. 

  • I found this Informative 1

Darwin said: " Man sprang from monkeys."

Will Rogers said: " Some of them didn't spring far enough."

 

My Fossil collection - My Mineral collection

My favorite thread on TFF.

 

 

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  • 2 months later...
On 31/05/2019 at 9:33 PM, ynot said:

Here are a few of mine....

Beautiful Specimens Tony. Bobby 

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  • 3 weeks later...
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