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Mark
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« on: September 30, 2009, 05:22:42 am » |
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Chatoyant stones are some of the most interesting and beautiful of the semi precious stones. The group of chatoyant stones includes such well known stones as Tiger Eye, Marra Mamba, Pietersite, Binghamite, Silk Stone, and varieties of common semiprecious stones like Malachite, Jade, and Obsidian. Chatoyant stones are those that can change in luster or color by orienting them differently to a light source. It is also what causes the Tiger Eye property which is a reflected streak of light from a chatoyant stone that is cut and polished into a cabachon. Next, I'll post some examples.
Mark
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« Last Edit: September 30, 2009, 03:46:24 pm by Taogem »
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Rumplestiltskin ( AKA Mark )  |
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Mark
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« Reply #1 on: September 30, 2009, 05:52:46 am » |
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Here's more pics.
Mark
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Rumplestiltskin ( AKA Mark ) |
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Taogem
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« Reply #2 on: September 30, 2009, 03:46:07 pm » |
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Excellent job getting us started off Mark..
I will be back to share some chatoyant material too !
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ScarlettOSara
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« Reply #3 on: September 30, 2009, 04:09:12 pm » |
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This is wonderful idea:) These stones are my all time favorites:)
I got some to post too as soon as my battery gets charged up.
Would Labradorite go in here too?
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ScarlettOSara (Darlin) ok ok ok Sara:)
Never complain. Never explain.
Katharine Hepburn
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Mark
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« Reply #4 on: September 30, 2009, 05:10:16 pm » |
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Labradorite is strongly iridescent and I've seen one definition of Chatoyant that said iridescent. I would lump it in with the rest of the chatoyant stones. I think Binghamite and Silkstone are very iridescent so Labradorite should fit right in.
Mark
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Rumplestiltskin ( AKA Mark ) |
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stoneviews
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« Reply #5 on: September 30, 2009, 05:25:49 pm » |
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Pietersite, Mark that is one very nice specimen, from the picture, it looks huge.
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Bluesssman
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« Reply #6 on: September 30, 2009, 05:51:59 pm » |
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Great job Mark, now box up all of those examples and get them shipped to me!!!
Gary
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Mark
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« Reply #7 on: September 30, 2009, 06:32:03 pm » |
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That first piece of Pietersite is about hand size, but its a really weird shape. It is a corner of a cube that had a circular core drilled out to make a sphere. I see Piertersite sold like that reasonably often. It makes a really strange shaped chunk that will be hard to slab. So far its just a display piece in my collection. The golden yellow piece is small, like quarter size. The last piece is half way between the other two. Pietersite is one of my favorites. I love the black with the iridescent blue and the gold / yellow, the best. The black / blue stuff is from Africa and the Yellow is from China. There are differences in make up.
Mark
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Rumplestiltskin ( AKA Mark ) |
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Taogem
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« Reply #8 on: September 30, 2009, 10:44:36 pm » |
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I see the Pietersite sold like your talking about a lot too Mark.. I have bought some and it is awkward to slab. I do like the blues in it the best, although the African that comes with the nicest of blues is quite a bit more expensive. One neat chatoyant material is this Feather Malachite. Going to try and share a cab to go along with each of the slab/rough pics to help show some of the chatoyant effects. Although this first Feather Malachite cab is not the best example...   Alexanderite, and darn if I can find a single cab pic !  Mark has already shared some Pietersite, but here are a couple more. The one to the right with all the beautiful blues, had to return as it was so badly fracture.. Very disappointed.. Really wanted to tackle those blues !   Marra Mamba Jasper slab behind the cab.  More to share later ! |
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Freeform
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« Reply #9 on: October 01, 2009, 12:32:08 am » |
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i have rough, but not as nice as this cab by Mitch i got years ago. I will update with rough pics when camera working again.
AZ tiger Eye, better known as Chrysotile in Serpentine. more common than you think. At least that general form, the AZ stuff has been pretty well played out.
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Mark
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« Reply #10 on: October 01, 2009, 03:34:31 am » |
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Shain, that is a beauty. I bought some cabs from the big rock show a couple years ago that the guy told me were Chrysotile. This was a far east company, probably from china. The cabs were really big and badly done and cheap. So i bought a few to bring home and recab because of the nice colors and patterns. They were a whitish green color with blackish streaks, not at all like your chrysotile in serpentine. Still they were pretty cool, I just with i knew what the real name of the stuff was. I will have to see if i can find some of the stuff from AZ, very nice.
Mark
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Rumplestiltskin ( AKA Mark ) |
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Mark
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« Reply #11 on: October 01, 2009, 03:35:53 am » |
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George, I have some brown with gold ribbon like pieces in it that is very fractured. But cabs from it actually look pretty good. I'll check and see if i have any pics around work.
Mark
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Rumplestiltskin ( AKA Mark ) |
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Taogem
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« Reply #12 on: October 01, 2009, 05:07:57 am » |
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Love that cab Shain !
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ScarlettOSara
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« Reply #13 on: October 01, 2009, 06:55:45 am » |
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Fantastic cabs George, Love that MarraMumba:) I hope the one I have will turn out that wonderful:)
Shain that AZ tiger eye is superb. I have never seen anthing like that but its on my want list now:) Love the cut on it. Very daring and spectacular:)
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ScarlettOSara (Darlin) ok ok ok Sara:)
Never complain. Never explain.
Katharine Hepburn
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ScarlettOSara
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« Reply #14 on: October 02, 2009, 03:34:01 pm » |
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African Tiger Eye- more red than yellow - one on right has both red and yellow  |
ScarlettOSara (Darlin) ok ok ok Sara:)
Never complain. Never explain.
Katharine Hepburn
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