Carnelian

woodman driving up their electric bill If you cannot explain something in simple terms, you do not know enough about it. Member since December 2014 Posts: 2,710	Carnelian Apr 27, 2019 14:04:30 GMT -5 Fossilman, RWA3006, and 6 more like this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by woodman on Apr 27, 2019 14:04:30 GMT -5 I really like working with Carnelian!

MsAli misunderstood rock expert Member since October 2017 Posts: 11,455	Carnelian Apr 27, 2019 18:43:38 GMT -5 woodman likes this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by MsAli on Apr 27, 2019 18:43:38 GMT -5 Love how it just has that ring around it
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RWA3006 Cave Dweller Member since March 2009 Posts: 4,640	Carnelian Apr 28, 2019 9:24:28 GMT -5 woodman likes this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by RWA3006 on Apr 28, 2019 9:24:28 GMT -5 I imagine there is a good explanation why the rind is colored and the center isn't. I don't know it though.
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Fossilman Cave Dweller Member since January 2009 Posts: 20,723	Carnelian Apr 28, 2019 9:31:23 GMT -5 woodman likes this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Fossilman on Apr 28, 2019 9:31:23 GMT -5 Love Carnelian agate and you can find it in whites and reds, plus yellows in color! Nice one Woodman! orchid.ganoksin.com/t/red-agate-vs-carnelian/28776
	Last Edit: Apr 28, 2019 9:31:41 GMT -5 by Fossilman God,family and life.....

woodman
driving up their electric bill

If you cannot explain something in simple terms, you do not know enough about it.

Member since December 2014
Posts: 2,710

Carnelian Apr 28, 2019 10:51:04 GMT -5

Quote

Post by woodman on Apr 28, 2019 10:51:04 GMT -5

Apr 28, 2019 9:24:28 GMT -5 RWA3006 said:

I imagine there is a good explanation why the rind is colored and the center isn't. I don't know it though.

be interesting to find out why! I heard it may be because of the agage being exposed to heat, don't have a clue tho!

Deleted
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Member since January 1970
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Carnelian Apr 28, 2019 11:27:53 GMT -5 RWA3006, rockpickerforever, and 2 more like this

Quote

Post by Deleted on Apr 28, 2019 11:27:53 GMT -5

Iron oxides content is the cause in natural carnelian. Oregon carnelian frequently has the zoning, which probably more a result of it being relatively young and/or soils (or host basalt) being relatively iron-poor.

Heating is something that is done to produce artificial carnelian (after a good soak in iron-rich dye). Doesn't seem likely to me that such a process would occur naturally, even here in volcanoland, and if it did I would expect the color to go all the way through.

Love the exterior texture on your piece, too.

Last Edit: Apr 28, 2019 11:30:12 GMT -5 by Deleted

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rocknrob: That was one heck of a windstorm that thankfully missed me. I guess Seatac almost hit 60mph gusts. I bet those were some fun landings Nov 20, 2024 21:55:16 GMT -5

Post by woodman on Apr 27, 2019 14:04:30 GMT -5

Post by MsAli on Apr 27, 2019 18:43:38 GMT -5

Post by RWA3006 on Apr 28, 2019 9:24:28 GMT -5

Post by Fossilman on Apr 28, 2019 9:31:23 GMT -5

Post by woodman on Apr 28, 2019 10:51:04 GMT -5

Post by Deleted on Apr 28, 2019 11:27:53 GMT -5

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