Well, now that I've got your attention the specimen above came from Brazil, but there is amethyst in Colorado, just not the big geode chunks exhibited at most rock shops. I have run across an occasional pale amethyst quartz crystal while rock hounding at Lake George, CO; however, personally I have never run across anything much bigger than a 1/2" crystal. I've also found what we in Colorado call onegite. Onegite is quartz with goethite inclusions which give it a sometimes purple appearance or amethystine look. I've also heard of geodes found in Colorado with pale amethyst enclosed, but have not pursued those. This past week I took a color tour of SW Colorado and recalled our Rock Club had a guest lecturer who owned a mine near Creede, CO that has amethyst.
|Colorado fall eye candy|
I called Jack the owner prior to setting out and he advised not arriving until noon as there was still some snow and ice on the dirt roads leading to his claim.
|Self portrait of Jack in wood carving|
|10" slab of sowbelly agate (specks are silver inclusions)|
|1.5" Amethyst pendant created by me!|
A couple days later on the way home from our trip we stopped at an out of the way rock shop. The owner had some amethyst crystals covered in calcite which did not appear to be gemmy. She was selling the crystals for $4 lb, so I bought a couple and will see what they turn out to be.
|One of the Amethyst crystals with calcite removed... not gemmy, but a nice lusterous 2.5 inch crystal|
|Another rock shop specimen, terminated but oddly zoned like a piece of sowbelly agate,|