jamesp
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Post by jamesp on Jan 7, 2017 18:13:21 GMT -5
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Post by wigglinrocks on Jan 7, 2017 19:54:42 GMT -5
NICE ! The corals sure have some interesting things going on and the agate is gorgeous .
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quartz
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breakin' rocks in the hot sun
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Post by quartz on Jan 7, 2017 23:30:15 GMT -5
That is one fine display of goodies, well done.
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jamesp
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Post by jamesp on Jan 7, 2017 23:50:32 GMT -5
That is one fine display of goodies, well done. That green rock in the first photo came from you Larry.
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jamesp
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Post by jamesp on Jan 7, 2017 23:52:00 GMT -5
NICE ! The corals sure have some interesting things going on and the agate is gorgeous . Been tumbling the coral for years wigglin. It is common in S Georgia. Good tumbling fodder.
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quartz
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breakin' rocks in the hot sun
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Post by quartz on Jan 7, 2017 23:58:31 GMT -5
That's Hart Mtn. jasper, not the orbicular stuff, next ridge over.
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jamesp
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Post by jamesp on Jan 8, 2017 0:00:23 GMT -5
That's Hart Mtn. jasper, not the orbicular stuff, next ridge over. Does it come in veins ? Big pieces ? I have more of it. Nice material.
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Post by wigglinrocks on Jan 8, 2017 0:09:54 GMT -5
NICE ! The corals sure have some interesting things going on and the agate is gorgeous . Been tumbling the coral for years wigglin. It is common in S Georgia. Good tumbling fodder. Only coral we find is like a horn coral or something . I have tossed some in the tumbler , some shines up and some doesn't . all of it is blah white but does have some patterns .
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jamesp
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Post by jamesp on Jan 8, 2017 0:20:00 GMT -5
Been tumbling the coral for years wigglin. It is common in S Georgia. Good tumbling fodder. Only coral we find is like a horn coral or something . I have tossed some in the tumbler , some shines up and some doesn't . all of it is blah white but does have some patterns . Check your creeks. Maybe the harder silicified pieces would be left and the softer stuff worn away.
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Post by wigglinrocks on Jan 8, 2017 0:30:33 GMT -5
Only coral we find is like a horn coral or something . I have tossed some in the tumbler , some shines up and some doesn't . all of it is blah white but does have some patterns . Check your creeks. Maybe the harder silicified pieces would be left and the softer stuff worn away. Most of what we find is from Lake Superior but some from gravel pits around here . Found one last summer about the size of a baseball . That one looks to be a good one .
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quartz
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breakin' rocks in the hot sun
Member since February 2010
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Post by quartz on Jan 8, 2017 0:42:54 GMT -5
That jasper is from an old weathered out vein, now some really big rocks. Takes a long day to hike up to it, chip off a pack full, and get back down to the road. Very steep, exhausting day. The collection method limits pieces to maybe 5 lbs. practical maximum, most smaller.
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Fossilman
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Post by Fossilman on Jan 8, 2017 10:44:03 GMT -5
Sweet!! Deep colors and nice colors!!!
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jamesp
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Post by jamesp on Jan 8, 2017 11:28:01 GMT -5
Sweet!! Deep colors and nice colors!!! Heat treatment Michael. I could heat treat the yellows and oranges again and then re-polish to get more color. The yellow coral will turn tangerine orange. The yellows have not been heated. Color is natural as found. Most of these were heat treated in big 5-10 pound chunks. Often the color from heating does not travel deep into the big chunks. This tumble was heated for a short cycle and it cooked the inside and left the outside clear.(luck) Then re-polished to remove glaze from the heat treatment. The milky color is the part that got hottest. Clear coral usually turns milky. For some reason the inside gets hotter than the outside. So there is a 'phantom' in the center. Lots of tricks heating The yellow coral will cook to this orange
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Deleted
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Post by Deleted on Jan 8, 2017 21:16:03 GMT -5
Inside stays hot longer for sure.
Allowing more time for reaction to happen?
Spit balling here, but it does explain luck, sorta.
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Deleted
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Post by Deleted on Jan 8, 2017 21:16:44 GMT -5
Love your pics. Thank you.
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Post by spiceman on Jan 8, 2017 23:19:22 GMT -5
Nice pics Looks like the heat treat worked well. "Sometimes you may not get what you want."
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jamesp
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Post by jamesp on Jan 9, 2017 2:28:43 GMT -5
Nice pics Looks like the heat treat worked well. "Sometimes you may not get what you want." Yep. Color can change to bad color spice. Like fine blue chalcedony can change to a dirty grey. Fine red or orange moss agate turn to dog do-do brown.
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jamesp
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Member since October 2012
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Post by jamesp on Jan 9, 2017 2:36:14 GMT -5
Inside stays hot longer for sure. Allowing more time for reaction to happen? Spit balling here, but it does explain luck, sorta. Time or dwell may have a lot to do with the reaction. Could be heat trapped by some kind of radiation reflecting inward from surface. One thing for sure, those rocks get hot down to the center. Heat stays on for a long time. Most of the time they are cooked in 6 inch metal trays completely covered by sand. Takes a long time to cool down. Most guys keep the high heat on longer.
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Post by Garage Rocker on Jan 9, 2017 11:59:35 GMT -5
Lovin' the coral, but I'd really be crowing about that rooster tail. What a shine!
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jamesp
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Member since October 2012
Posts: 36,561
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Post by jamesp on Jan 9, 2017 17:33:27 GMT -5
Lovin' the coral, but I'd really be crowing about that rooster tail. What a shine! I took your advise about using the greenhouse for a light box on that rooster tail photo. Thanks. 12 days before that photo it was rotary rolling with AO 24.
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