jamesp
Cave Dweller
Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 14, 2017 15:08:31 GMT -5
Ahhh Jim u gonna have some beauties!!# Lots of different coral in there Bill. Certain some will show out. Also makes them tumble faster by softening them a bit. Oops, I posted this in the wrong place.
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Post by HankRocks on Feb 14, 2017 15:29:14 GMT -5
Of course you have an Industrial Oven!! what self-respecting rock polisher wouldn't!
I am going to need a bigger garage!!
New Game!! Guess which device/tool/apparatus Jamesp does not have.
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Deleted
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Member since January 1970
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Post by Deleted on Feb 14, 2017 16:43:47 GMT -5
Of course you have an Industrial Oven!! what self-respecting rock polisher wouldn't! I am going to need a bigger garage!! New Game!! Guess which device/tool/apparatus Jamesp does not have. He prolly paid like $0.50/pound for his oven. Jim is the master at this stuff. Plus he lives in an industrial surplus hotspot. Bucket list visit, he is, for me.
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Post by HankRocks on Feb 14, 2017 17:17:03 GMT -5
I need one of the used tool/surplus stuff places he posted pictures of here in the Houston area. My suspicions are that there is one, probably on the East End which is the Industrial side of Houston. One never knows which odd piece of widget one will need.
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Post by orrum on Feb 14, 2017 19:26:34 GMT -5
I been to Jim n Denise house!!! I wanna take the lovely Sussn thrre, yall should see his polished bookends, display polished , bowls ,plates n buckets full of polished beauties and and and we'll it's just s awesome place to hisit!!! Thanks Jim!##
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 15, 2017 2:43:12 GMT -5
You guys can heat treat with a cheap turkey baster. My wife's convection oven did a great job. All you need is the right type of rock to cook. Pet wood/palm/coral. Many cherts. Rhyolites. Brazilian. orrum Bill probably knows a bunch more. Best if you have a source of material close that you can collect. You can run a quick test by heating small pieces with a propane torch(which will make rock shatter so wear eye protection)to see what colors you get on the surface. Yep, @shotbunner. Oven was $150. More than 50 cents/pound but less than $1000 new. It does not do as good a job as wife's convection oven though. Dang Bill, I guess I need to charge admission fees lol. "Come See Epitome of Georgia White Trash" ha, my messy place. You know your a redneck if your yard looks like a yard sale. We did clean up before you arrived. Only took 2 months. @hanksrocks Pet palm from Texas heats to cool colors. Can't wait to try some Texas wood and palm. Got lots of Texas wood that has colors that may light up well. Oil industry should generate industrial salvage places. Those guys use all kinds of interesting doodads.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 15, 2017 2:49:34 GMT -5
A rough list:
ROCK
THICK (inch)
TEMP (F)
DESCRIPTION/COMMENT
1
Agate, Blackskin (India)
< .25
550
2
Agate, Brazilian
< .40
500
Lighter - whites and tans
3
Agate, Brazilian
< .40
600 up to 700
Darker - reds and blacks
4
Agate, Bullseye (Nevada)
Any
475 - 485
Gray, solid pieces. Also called Goldfield Chalcedony and Goldfield Jasper.
5
Agate, Bullseye (Nevada)
Any
375
Colorful, banded pieces. Also called Goldfield Chalcedony and Goldfield Jasper..
6
Agate, Carnelian
> .25
500
7
Agate, Carnelian
< .25
575
Red color
8
Agate, Montana
> .25
400
9
Agate, Montana
< .25
450
Translucent
10
Agate, Montana
< .25
500
Clear with patterns
11
Agate, Paiute (Oregon)
> .60
500
12
Agate, Paiute (Oregon)
< .60
600
13
Agate, Plume (Oregon)
< .25
500
13
Agate, Plume (Texas)
< .25
375
Test at 375, if needs more heat go to 425, do not exceed 475
14
Agate, Thundereggs (Oregon)
< .25
500
Clear with pink tint
15
Agate. Perkinsville Pink (Arizona)
Any
Still testing
16
Agatized Coral
>.50
500-550
See note 1 and 3.
17
Agatized Coral
<.50
620
Max temp for 4 to 8 hours.
18
Agatized Coral (Florida)
Any
600 – 675
Light grey to white, yellow and orange. Semi-translucent to opaque.
19
Agatized Sea Stuff, Burro Creek (Arizona)
Any
350
Sea Stuff: Sponges, Clams, etc. Start at 325 and test. Increments of 25 degrees.
20
Bloodstone (India)
< .30
550
Green and Red
21
Chalcedony, Flint Ridge (Ohio)
< 1.0
600 - 650
Smooth grade, Multicolored. Opaque. Also see Chert, Flint Ridge.
22
Chalcedony, Flint Ridge (Ohio)
> 1.0
600
Smooth grade, Multicolored. Opaque. Also see Chert, Flint Ridge.
23
Chalcedony, Flint Ridge (Ohio)
< .25
650
Orange. Also see Chert, Flint Ridge.
24
Chalcedony, Flint Ridge (Ohio)
Any
675
Grainier grade, Multicolored. Opaque. Also see Chert, Flint Ridge.
25
Chalcedony, Goldfield (Nevada)
(Method 1)
Any
475 - 485
Gray, solid pieces. Also called Goldfield Jasper and Bullseye Agate.
26
Chalcedony, Goldfield (Nevada)
(Method 1)
Any
375
Colorful, banded pieces. Also called Goldfield Jasper and Bullseye Agate.
27
Chalcedony, Goldfield (Nevada)
(Method 2)
Any
400 for 48 hours
Gray, solid pieces. Also called Goldfield Jasper and Bullseye Agate.
28
Chert, Burlington (Missouri, Illinois & Iowa)
< 1.0
650 -675
Hold max temperature for 72 hrs
29
Chert, Burlington (Missouri, Illinois & Iowa)
> 1.0
650
White, Cream, Tan and Grey. Opaque. Hold max temperature for 72 hrs. See Note 4.
30
Chert, Crescent (Missouri)
Any
650 Max
High Ridge variety. Multi-colored red, pink, purple and tan. Opaque.
31
Chert, Dongola [Cobden] (Illinois)
Any
---
Nodular, Grey to brown. Frequently with concentric banding. HEAT TREATING NOT REQUIRED
32
Chert, Flint Ridge (Ohio)
< 1.0
600 - 650
Smooth grade, Multicolored. Opaque. Also see Chalcedony, Flint Ridge.
33
Chert, Flint Ridge (Ohio)
> 1.0
600
Smooth grade, Multicolored. Opaque. Also see Chalcedony, Flint Ridge.
34
Chert, Flint Ridge (Ohio)
< .25
650
Orange. Also see Chalcedony, Flint Ridge.
35
Chert, Flint Ridge (Ohio)
Any
675
Grainier grade, Multicolored. Opaque. Also see Chalcedony, Flint Ridge.
36
Chert, Florida (Florida)
Any
600 – 650
Yellow to tan. Opaque.
37
Chert, Fort Payne (Tennessee)
Any
---
Nodular. BLACK varieties. DO NOT HEAT TREAT.
38
Chert, Fort Payne (Tennessee)
Any
500 – 675
Nodular. Banded and lighter colors like brown, tan.
39
Chert, Harvester (Missouri)
Any
550 – 625
Nodular. Cream color with brown banding. Opaque. See Note 4.
40
Chert, Hornstone (Indiana)
Any
---
Nodular, Grey, sometimes banded. Opaque. HEAT TREATING NOT REQUIRED.
41
Chert, Kay County (Oklahoma)
Any
600 – 650
Light Tan to Grey. Opaque.
42
Chert, Kentucky Black (Kentucky)
Any
---
Nodular, Black to blue-black. Hornstone. HEAT TREATING NOT REQUIRED.
43
Chert, Kentucky Blue (Kentucky)
Any
---
Nodular, Blue. Hornstone. HEAT TREATING NOT REQUIRED.
44
Chert, Keokuk (Oklahoma/Missouri)
< .50
600 -- 700
White,Tan, Pink. See Note 5
45
Chert, Kentucky Tan (Kentucky)
< .50
600
Tan.
46
Chert, Mozarkite (Missouri)
< .50
650
Colorful
47
Chert, Pitkin (Arkansas)
Any
---
Black. Opaque. HEAT TREATING NOT REQUIRED.
48
Chert, Tan (Kentucky)
< .50
600
49
Chert, Upper Mercer [Coshocton] (Ohio)
Any
---
Black or mottled blue-black. HEAT TREATING NOT REQUIRED
50
Coral, Agatized
>.50
500-550
See note 1 and 3.
51
Coral, Agatized
<.50
620
Max temp for 4 to 8 hours.
52
Dacite
Any
---
Any color from any location. HEAT TREATING NOT REQUIRED.
53
Flint, Alibates (Texas)
Any
450 – 500
Multi-colored, red, purple, cream and white. Opaque. See Note 1 & 4.
54
Flint, Brandon (England)
< .40
500
Thicker pieces will potlid. See Note 1, 3 & 4.
55
Flint, Brazos River (Texas)
< 2.00
600
Cobble. See Note 1, 3 & 4.
56
Flint, British (Britain)
Any
350
Nodular, Grey to Black. Opaque to semi-translucent. See Note 1 & 4.
57
Flint, Copperas Cove (Texas)
< 2.0
550
Light grey color. See Note 1, 3 & 4.
58
Flint, Danish (Europe)
Any
350
Nodular, Grey to Black. Opaque to semi-translucent. See Note 1 & 4.
59
Flint, Fort Hood (Texas)
< 2.0
600
Grey. See Note 1, 3 & 4.
60
Flint, Fort Hood [Belton] (Texas)
Any
500 - 650
Grainier. Tan Opaque. See Note 1, 3 & 4.
61
Flint, Fort Hood [Belton] (Texas)
Any
450 – 500
Smooth. Grey Opaque. See Note 1, 3 & 4.
62
Flint, Georgetown (Texas)
Any
---
Smooth. Nodular, Grey. HEAT TREATING NOT REQUIRED. See Note 4.
63
Flint, Georgetown (Texas)
Any
350 – 400
Grainier. Nodular, Grey. See Note 1, 3 & 4.
64
Flint, James River (---)
Any
---
Shades of Black. HEAT TREATING NOT REQUIRED.
65
Flint, Knife River (North Dakota)
Any
350
Brown, semi-translucent. See Note 1, 3 & 4. Potlid’s easily
66
Flint, Knife River (North Dakota)
> .30
400
Brown, semi-translucent. See Note 1, 3 & 4.
67
Flint, Knife River (North Dakota)
< .30
500
Brown, semi-translucent. See Note 1, 3 & 4.
68
Flint McKittrick (California)
Any
475-485
Light brown. See Note 1, 3 & 4.
69
Flint, Pedernales (Texas)
Any
---
Smooth. Tabular. Lavender. Opaque. HEAT TREATING NOT REQUIRED. See Note 4.
70
Flint, Pedernales (Texas)
Any
350
Smooth. Tabular. Brown. Opaque. See Note 1, 3 & 4. Keep 410 F for 3 hrs. Do Not exceed 500.
71
Flint, Pedernales (Texas)
Any
580
Grainy, Tabular or Nodules. See Note 2, 3 & 4.
72
Flint, Pedernales (Texas)
Any
340 – 550
Smooth, Nodular, Brown. Opaque. See Note 1, 3 & 4.
73
Flint, R10 San Antonio (Texas)
Any
450 - 475
Darker colors. Start at 400 and test. See Note 2, 3 & 4. Don’t go over 500.
74
Flint, R10 San Antonio (Texas)
Any
550
Lighter grey colors. Start at 450 and test. See Note 2, 3 & 4. Don’t go over 550.
75
Flint, Rootbeer (Texas)
Any
300
Smooth, HEAT TREATING NOT REQUIRED. If heat treating, See Note 2, 3 & 4.
76
Flint, Rootbeer (Texas)
Any
410
Grainy, See Note 2, 3 & 4.
77
Flint, Uvalde, Nueces River
Any
350
Smooth, high quality. See note 2 and 3.
78
Flint, Uvalde, Nueces River
Any
450 – 500
Grainy, high quality. Hold high temp for 6 hours. See note 2 and 3.
79
Glass, man made
Any
---
Bottles, pane, stained, etc. HEAT TREATING NOT REQUIRED.
80
Jasper, Banded Purple and Grey
< .40
600
81
Jasper, Battle Mountain (Nevada)
< .50
500
White to tan. Also called Silicified Ash.
82
Jasper, Biggs (Oregon)
< .80
550
With Pattern
83
Jasper, Biggs (Oregon)
< .80
600
Massive Grey/Brown
84
Jasper, Black
< .50
500
85
Jasper, Bruneau (Idaho)
< .50
600
86
Jasper, Dark Chocolate Brown
< 1.0
500
87
Jasper, Fancy (India)
< .30
500
Red
88
Jasper, Fancy (India)
< .30
550
Pink and green
89
Jasper, Goldfield (Nevada)
Any
475 - 485
Gray, solid pieces. Also called Goldfield Chalcedony and Bullseye Agate.
90
Jasper, Goldfield (Nevada)
Any
375
Colorful, banded pieces. Also called Goldfield Chalcedony and Bullseye Agate.
91
Jasper, Imperial (Mexico)
< .30
500
Red and Green
92
Jasper, Imperial (Mexico)
< .30
650
Nodular form
93
Jasper, Maury Mountain (Oregon)
> .50
400
94
Jasper, Maury Mountain (Oregon)
< .50
500
95
Jasper, Mookite (Australia)
< .30
550
96
Jasper, Mottled Brown
< .60
500
Long hold time produces color change to red.
97
Jasper, Owyhee (Oregon)
< 1.0
600
Red to green to tan
98
Jasper, Picture (Idaho)
< .40
650
99
Jasper, Polka Dot (Oregon)
< .30
550
100
Jasper, Red
< .50
500
101
Jasper, Striped Brown and Red
< .60
500
102
Jasper, Sunset (Oregon)
< .25
550
White to brown to pink
103
Novaculite (Arkansas)
Any
750 – 900
Multicolored, White, Light Grey, shades of pink, black. Opaque to semi-translucent.
104
Obsidian
Any
---
Any color from any location. HEAT TREATING NOT REQUIRED.
105
Onondaga (New York, Ontario)
Any
---
Black to mottled grey. Opaque. See Note 4. HEAT TREATMENT DOES NOT WORK.
106
Opal, common, precious
Any
---
Any color from any location. HEAT TREATING NOT REQUIRED.
107
Opalized Wood
Any
---
Any color from any location. HEAT TREATING NOT REQUIRED.
108
Petrified Wood (Arizona)
< .25
500
109
Petrified Wood (Washington)
< .25
400
110
Porcelainite (Montana, Wyoming, South Dakota)
Any
---
Shades of grey to Black. Maroon. Opaque. . HEAT TREATMENT DOES NOT WORK.
111
Silicified Ash, Battle Mountain (Nevada)
< .50
500
White to tan. Also called Battle Mountain Jasper.
112
Silicified Wood, Rainy Buttes (North Dakota)
Any
---
Brown. Opaque. HEAT TREATING NOT REQUIRED.
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Fossilman
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Member since January 2009
Posts: 20,681
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Post by Fossilman on Feb 15, 2017 9:36:44 GMT -5
Ok,that is a few rocks!! LOL....I got my wife's old turkey cooker,and one from a friend.....So I'm ready to cook up some Ohio Flintridge now.....Maybe some Coral too,still have a few pieces left from James....
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 15, 2017 10:24:05 GMT -5
Ok,that is a few rocks!! LOL....I got my wife's old turkey cooker,and one from a friend.....So I'm ready to cook up some Ohio Flintridge now.....Maybe some Coral too,still have a few pieces left from James.... Bring it on. Guessing your Oregon has a plethora of rocks you could heat treat.
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Post by orrum on Feb 15, 2017 13:32:12 GMT -5
Use kitty litter instead of sand. Heat rises thru it better and conversely out of it. Cook litter first to dry at 200. Put rocks in ends and sides for hotest temps at bottom with half inch kitty litter under it. Center and higher up in Turkey roaster is coolest. Take liner pan out b4 u start. Put fiberglass insulation to fill top up. Yes oregon and idaho picture jasper heats great snd colors are off the chart. Flint ridge does fantastic too! Rough needs a corner or two knocked off to leave a hole in the skin of certain rocks that are covered with a cortex or desert varnish. Otherwise they will pot lid a opening. After u have gradually cooled bt reducing 100 degrees at a time it will stI'll be too hot to open and chance fracturing so wait a couple days. If you didn't have some damage u probably didn't get it hot enough! LOL. Some rock benefits from being cooked more than once, ramp up, cool down and ramp up agsin.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 15, 2017 14:25:08 GMT -5
Use kitty litter instead of sand. Heat rises thru it better and conversely out of it. Cook litter first to dry at 200. Put rocks in ends and sides for hotest temps at bottom with half inch kitty litter under it. Center and higher up in Turkey roaster is coolest. Take liner pan out b4 u start. Put fiberglass insulation to fill top up. Yes oregon and idaho picture jasper heats great snd colors are off the chart. Flint ridge does fantastic too! Rough needs a corner or two knocked off to leave a hole in the skin of certain rocks that are covered with a cortex or desert varnish. Otherwise they will pot lid a opening. After u have gradually cooled bt reducing 100 degrees at a time it will stI'll be too hot to open and chance fracturing so wait a couple days. If you didn't have some damage u probably didn't get it hot enough! LOL. Some rock benefits from being cooked more than once, ramp up, cool down and ramp up agsin. Consider heat storage Bill. high heat capacity. Yes, kaolinite(clay) better than sand. Soapstone crushed into sand is a great storage medium. Small garnets better that soapstone. Used sand this time cause it was close. You can turn oven off after max heat hold and not risk fast cool down instead of powering down. Even open door if rocks are covered.
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jamesp
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Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 20, 2017 14:00:27 GMT -5
Before and after. Garage Rocker Kentucky agate. First time cooking Kentucky. Before was very similar to this rock, note mustard yellow: after, yellow gone red. If cooked 50 to 80F cooler yellow would have probably gone orange. Color is hemoglobin red, looks like blood...
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 20, 2017 14:33:54 GMT -5
Red is a very desirable color in KY agate. Very cool! Artificial coloring. Felt guilty cooking a valuable Kentucky agate. They are rare and not easy to come by. You will know what an artificially manipulated one looks like now. About the best fortified agate this side of the Mississippi IMO. Best of all as far as I am concerned in the east.
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jamesp
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Member since October 2012
Posts: 36,155
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Post by jamesp on Feb 20, 2017 14:53:17 GMT -5
spicemanThe coral heat(600F) was a bit high for flint ridge. It's good, went past orange and into red. Most of this was yellow before. Better at 550-575F. But it knaps like soft glass, and very shiny at the flake face. Similar to Georgia coastal chert, maybe more workable. Fine material. Chip removed with the lightest tap on left and largest. All ridge except lower rock.: Purdy:
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