Mykkhul97 Posted December 10, 2018 Share Posted December 10, 2018 I see banding on the edges, so is it an agate? I cut it in half and it has a purple inside. Is that amethyst? Link to comment Share on other sites More sharing options...
jkfoam Posted December 10, 2018 Share Posted December 10, 2018 Yes, to both questions. Jim 1 The Eocene is my favorite Link to comment Share on other sites More sharing options...
Mykkhul97 Posted December 10, 2018 Author Share Posted December 10, 2018 Is that common to see both? Link to comment Share on other sites More sharing options...
Mykkhul97 Posted December 10, 2018 Author Share Posted December 10, 2018 23 minutes ago, Mykkhul97 said: I see banding on the edges, so is it an agate? I cut it in half and it has a purple inside. Is that amethyst? Is that common to see both? Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted December 10, 2018 Share Posted December 10, 2018 5 minutes ago, Mykkhul97 said: Is that common to see both? It's not particularly unusual. Very nice piece though. 1 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Recker Posted December 10, 2018 Share Posted December 10, 2018 That is beautiful! Link to comment Share on other sites More sharing options...
daves64 Posted December 10, 2018 Share Posted December 10, 2018 Amethyst geode. Very nice indeed! Accomplishing the impossible means only that the boss will add it to your regular duties. Link to comment Share on other sites More sharing options...
ynot Posted December 10, 2018 Share Posted December 10, 2018 3 minutes ago, daves64 said: Amethyst geode. Very nice indeed! It is nice, but it is not a geode. No hollow center- call it a nodule. 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. Link to comment Share on other sites More sharing options...
MrR Posted December 10, 2018 Share Posted December 10, 2018 Beautiful piece. There's something about naturally occurring purple, whether it be floral or faunal. OK, I know, I'm thinking, I'm thinking...How about a nudibranch? Enjoy. Link to comment Share on other sites More sharing options...
MightyPretzel Posted December 11, 2018 Share Posted December 11, 2018 Nice colors! Looks like an agate nodule (amygdule) where the center just happened to fill in with amethyst and what looks like some calcite. The white and black outside the banded agate looks like calcite as well. Do you know if it is from Texas or Chihuahua region of Mexico? Link to comment Share on other sites More sharing options...
abyssunder Posted December 11, 2018 Share Posted December 11, 2018 Maybe we can call it "fortification agate" with Amethyst infill. " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Mykkhul97 Posted December 11, 2018 Author Share Posted December 11, 2018 8 hours ago, MightyPretzel said: Nice colors! Looks like an agate nodule (amygdule) where the center just happened to fill in with amethyst and what looks like some calcite. The white and black outside the banded agate looks like calcite as well. Do you know if it is from Texas or Chihuahua region of Mexico? Arizona Link to comment Share on other sites More sharing options...
ynot Posted December 11, 2018 Share Posted December 11, 2018 Looks much like the agate nodules that come from around Luna, New Mexico and Alpine, Arizona. Often referred to as "luna blue" agate. 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. Link to comment Share on other sites More sharing options...
Fossiljones Posted December 11, 2018 Share Posted December 11, 2018 Wow, that’s very nice. Note: I’ve collected purple agate from Arizona, and I’ve noticed that it may be quite vibrantly colored when first cut, but will fade over time with exposure to Sunlight. This characteristic my be particular to the specific site I collect from, I don’t know. Just in case, you may want to display it away from direct Sunlight. Link to comment Share on other sites More sharing options...
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