Luke Lindoe lab tests

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We are cataloguing the trove of test samples discovered.


Project Name

Lindoe Test Specimens

Project Codenumber

UnAssigned

Notes

More information coming soon.

Luke Lindoe Fired Samples

Code #

L4597

Notes

Pictures

Lindoe Cone 10R glaze slip overlay tests

Bodies are H435 and H440
Base glaze: Likely S2 and Celadon
Markings: CR., 25-I, Cry. I.
8-1-40, R.O.M., Mrtl Black

Lindoe Cone 10R glaze tests

#1: Cr I/S2 - Crystal iron red with S2 overlay on H443
#2: Cry Matt - Crystal iron red on H441G
#3: Cr I/S2 - Crystal iron red with S2 overlay on H435
#4: Cr I/GrCel - Crystal iron red with green celadon overlay on H443
#5: BT. 3. Chr - on H440G
#5: 74-61-C - Red Mustard on H440G

Lindoe glazes - 103, 94, 96, 80, 111

94-D, 103-E, 103-D, 96-C2, 80-91 D/2, 111.25, 80-K, 111-96

XML (to paste into Insight)

Born: 2023-01-04, Modified: 2023-03-18 15:57:28

Cone 10R Celadon - Luke Lindoe

Code #

77E05B

Materials Amt
Custer Feldspar 27.000
Calcium Carbonate 20.000
EPK 20.000
Silica 33.000
Additions
Iron Oxide Red 1.000

Total:101.00

Auto Unity Formula

CaO 0.82
K2O 0.12
Na2O 0.05
(KNaO) 0.17
Al2O3 0.48
SiO2 4.11
Fe2O3 0.03

Ratios

Si:Al: 8.5:1
R2O:RO: 0.2:0.8

Expansion

6.7 (Molar:6.4)

LOI

11.9

Cost

0.19 per kg

Notes

This recipe was used, and possibly developed, by Luke Lindoe.

He used as much from 1-5% iron for light to dark green colors.

This did craze on some bodies, one simple change to improve it would be to use 325 mesh silica (increase of 200 mesh).

Pictures

Lindoe Cone 10R glaze slip overlay tests

Bodies are H435 and H440
Base glaze: Likely S2 and Celadon
Markings: CR., 25-I, Cry. I.
8-1-40, R.O.M., Mrtl Black

Lindoe Cone 10R glaze tests

#1: Cr I/S2 - Crystal iron red with S2 overlay on H443
#2: Cry Matt - Crystal iron red on H441G
#3: Cr I/S2 - Crystal iron red with S2 overlay on H435
#4: Cr I/GrCel - Crystal iron red with green celadon overlay on H443
#5: BT. 3. Chr - on H440G
#5: 74-61-C - Red Mustard on H440G

Lindoe celadon (light and dark versions)

The dark had about 5% iron, the light about 3%.

Typecodes

RCP-Undefined

Alternate Code Number:G 140

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="Cone 10R Celadon - Luke Lindoe" id="71931" key="Jk5HfveR" date="2023-03-18" typecodes="RCP" codenum="77E05B" picturebasename=""> <recipelines> <recipeline material="Custer Feldspar" amount="27.000" tolerance=""/> <recipeline material="Calcium Carbonate" amount="20.000" tolerance=""/> <recipeline material="EPK" amount="20.000" tolerance=""/> <recipeline material="Silica" amount="33.000" tolerance=""/> <recipeline material="Iron Oxide Red" amount="1.000" added="true"/> </recipelines> </recipe> </recipes>

Born: 1990-02-13, Modified: 2023-03-18 13:02:16

Cone 10R S2 - Luke Lindoe

Code #

G3966

Materials Amt
Custer Feldspar 32.000
Calcium Carbonate 15.000
PR #3B (B Clay) 15.000
45D (IXL 45D) 15.000
Silica 20.000
Additions
Bentonite 3.000

Total:100.00

Auto Unity Formula

CaO 0.69
MgO 0.03
K2O 0.20
Na2O 0.08
(KNaO) 0.28
TiO2 0.01
Al2O3 0.49
SiO2 4.74
Fe2O3 0.02

Ratios

Si:Al: 9.6:1
R2O:RO: 0.3:0.7

Expansion

6.8 (Molar:6.4)

LOI

9.3

Notes

Custer 30.5
856 Metallic Black Glaze 19.0
45D 8.0
Silica 12.5
Calcium carbonate 15.0
Frit 3134 15.0
Frit 3498 3.75 ( 80% lead)
Bentonite 2.25
CMC Gum .1

RED:
Copper carb .6
Tin oxide 3

Cone 10, ball mill for 2 hours. Begin reduction apprx. when cone 10 goes down to 45degree angle, reduce for 40 minutes.

Received from Sebet Lindoe

Pictures

Lindoe Cone 10R glaze tests

#1: Cr I/S2 - Crystal iron red with S2 overlay on H443
#2: Cry Matt - Crystal iron red on H441G
#3: Cr I/S2 - Crystal iron red with S2 overlay on H435
#4: Cr I/GrCel - Crystal iron red with green celadon overlay on H443
#5: BT. 3. Chr - on H440G
#5: 74-61-C - Red Mustard on H440G

Lindoe Cone 10R glaze slip overlay tests

Bodies are H435 and H440
Base glaze: Likely S2 and Celadon
Markings: CR., 25-I, Cry. I.
8-1-40, R.O.M., Mrtl Black

Lindoe S2 copper red with 4.5, 6% tin oxide

Fired at cone 10R on H555.
There seems to be little difference in the surface.

Lindoe S2 Copper Red at cone 10R

The code number might be 102-B

Lindoe S2 cone 10R glaze

Lindoe 85-6 Blue S2 glaze cone 10R

S2/99-9 and 99-10 Lindoe cone 10R glazes

Typecodes

RCP-Undefined

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="Cone 10R S2 - Luke Lindoe" id="63672" key="zpWGARMe" date="2023-03-18" typecodes="RCP" codenum="G3966" picturebasename=""> <recipelines> <recipeline material="Custer Feldspar" amount="32.000" tolerance=""/> <recipeline material="Calcium Carbonate" amount="15.000" tolerance=""/> <recipeline material="PR #3B" lookup="B Clay" amount="15.000" tolerance=""/> <recipeline material="45D" lookup="IXL 45D" amount="15.000" tolerance=""/> <recipeline material="Silica" amount="20.000" tolerance=""/> <recipeline material="Bentonite" amount="3.000" added="true"/> </recipelines> </recipe> </recipes>

Born: 2003-06-05, Modified: 2023-03-18 14:12:57

Cone 10R Crystal Iron Brown - Luke Lindoe

Code #

G 304

Materials Amt
Custer Feldspar 50.000
Calcium Carbonate 15.000
45D (IXL 45D) 20.000
PR3B (B Clay) 10.000
Additions
Bentonite 2.500
Rutile 5.000
Iron Oxide Red 10.000

Total:112.50

Auto Unity Formula

CaO 0.61
MgO 0.03
K2O 0.25
Na2O 0.11
(KNaO) 0.36
TiO2 0.23
Al2O3 0.55
SiO2 3.66
Fe2O3 0.26

Ratios

Si:Al: 6.7:1
R2O:RO: 0.4:0.6

Expansion

8.6 (Molar:7.8)

LOI

10.0

Notes

Pictures

Lindoe Cone 10R glaze tests

#1: Cr I/S2 - Crystal iron red with S2 overlay on H443
#2: Cry Matt - Crystal iron red on H441G
#3: Cr I/S2 - Crystal iron red with S2 overlay on H435
#4: Cr I/GrCel - Crystal iron red with green celadon overlay on H443
#5: BT. 3. Chr - on H440G
#5: 74-61-C - Red Mustard on H440G

Typecodes

RCP-Undefined

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="Cone 10R Crystal Iron Brown - Luke Lindoe" id="63671" key="obRGFgtv" date="2023-01-06" typecodes="RCP" codenum="G 304" picturebasename=""> <recipelines> <recipeline material="Custer Feldspar" amount="50.000" tolerance=""/> <recipeline material="Calcium Carbonate" amount="15.000" tolerance=""/> <recipeline material="45D" lookup="IXL 45D" amount="20.000" tolerance=""/> <recipeline material="PR3B" lookup="B Clay" amount="10.000" tolerance=""/> <recipeline material="Bentonite" amount="2.500" added="true"/> <recipeline material="Rutile" amount="5.000" added="true"/> <recipeline material="Iron Oxide Red" amount="10.000" added="true"/> </recipelines> </recipe> </recipes>

Born: 1980-01-01, Modified: 2023-01-06 11:05:28

Cone 10R Matte Crystal Iron - Luke Lindoe

Code #

84-G-05-S

Materials Amt
Custer Feldspar 38.816
Soda Feldspar 18.413
Kaolin 25.380
Dolomite 12.939
Talc 1.742
Tricalcium Phosphate 1.742
Additions
Tin Oxide 4.479
Iron Oxide Red 1.891

Total:105.40

Auto Unity Formula

CaO 0.33
MgO 0.31
K2O 0.15
Na2O 0.20
(KNaO) 0.35
P2O5 0.02
Al2O3 0.74
SiO2 3.25
Fe2O3 0.04
SnO2 0.11

Ratios

Si:Al: 4.4:1
R2O:RO: 0.4:0.6

Expansion

7.2 (Molar:6.9)

LOI

9.7

Notes

Pictures

Lindoe Cone 10R glaze tests

#1: Cr I/S2 - Crystal iron red with S2 overlay on H443
#2: Cry Matt - Crystal iron red on H441G
#3: Cr I/S2 - Crystal iron red with S2 overlay on H435
#4: Cr I/GrCel - Crystal iron red with green celadon overlay on H443
#5: BT. 3. Chr - on H440G
#5: 74-61-C - Red Mustard on H440G

Typecodes

RCP-Undefined

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="Cone 10R Matte Crystal Iron - Luke Lindoe" id="63532" key="rEkEJ529" date="2023-01-06" typecodes="RCP" codenum="84-G-05-S" picturebasename=""> <recipelines> <recipeline material="Custer Feldspar" amount="38.816" tolerance=""/> <recipeline material="Soda Feldspar" amount="18.413" tolerance=""/> <recipeline material="Kaolin" amount="25.380" tolerance=""/> <recipeline material="Dolomite" amount="12.939" tolerance=""/> <recipeline material="Talc" amount="1.742" tolerance=""/> <recipeline material="Tricalcium Phosphate" amount="1.742" tolerance=""/> <recipeline material="Tin Oxide" amount="4.479" added="true"/> <recipeline material="Iron Oxide Red" amount="1.891" added="true"/> </recipelines> </recipe> </recipes>

Born: 1980-01-01, Modified: 2023-01-06 10:59:13