Second grade pottery stone, 17 samples

Colors of the milled samples
Chemical compositions
Mineral compositions
Results of TGA & Colors of the powder samples after measuring
Results of TMA & Colors of the sintered samples after measuring

No.NameSampling dateVein or depositMining placeMining companySampling placeGrade or sort
046USI2_07AJuly 16, 1980Sarayama V.IguchiyamaUeda TohsekiStackSecond garde/extraordinary, small grain
084UKHT201ANovember 15, 1983Kaigan V.KadonosakoUeda TohsekiInside drift, south endLow SK, second grade, FeS(+)
085UKHT202ANovember 15, 1983Kaigan V.KadonosakoUeda TohsekiInside drift, south 10m from endLow SK, second grade, white rock
091KKS__01AMarch 29, 1980Kaigan V.ShimizuotoshiKiyama Tohseki?Representative pottery stone
184MKK2_01SDecember 1, 1980Kaigan V.KawanohataMatsuzaki TohsekiStock yardSecond grade
147KGY__07SDecember 1, 1980Murayama V.GosohKyoritsu YogyoWest vein working face/rightHigh SK
155NMS2_01AMarch 26, 1981Murayama V.ShindenNishizima TohsekiShinden driftSecond grade, small grain, SK20
156NMS2_02AMarch 26, 1981Murayama V.ShindenNishizima TohsekiShinden drift=NMS2_01A ?, Fe(+)
163NMY__01AMarch 26, 1981Murayama V.YamanokohiraNishizima TohsekiStock yard, from Yamanokohira ?High SK, SK26
168NMY2_07AMarch 26, 1981Murayama V.YamanokohiraNishizima Tohseki?Second grade, good rock, high SK
171NMF2_03AMarch 26, 1981Murayama V.FuruyashikiNishizima TohsekiOutside driftNear second grade, SK20
172NMF2_04AMarch 26, 1981Murayama V.FuruyashikiNishizima TohsekiInside driftNear second grade, SK20
205HTK2_02AJune 11, 1981Tanosako V.KyogamineHarada TohsekiStock yardSecond grade, SK26
174HFI2_02AMarch 26, 1981Fukami V.FukamiHisatsune TohsekiInside drift/right/forth working faceSecond grade
122K_U__01ANovember 13, 1982Uchida D.SarayamaKiyama TohsekiNear road?
128K_X__03AJuly 16, 1980Uchida D.SarayamaKiyama TohsekiIn the factorysphere particles with light blue(+)
208OOY__01AJune 11, 1981Ooyano D.OoyanoNihon TohsekiStock yard beside national roadGood quality

Colors of the milled samples
No.NameXYZWhiteness
(Hunter)
LabWhiteness
(Lab)
046USI2_07A84.3985.9389.3675.7392.700.287.7389.36
084UKHT201A81.2882.0585.7072.6390.581.657.3187.96
085UKHT202A84.0884.7188.2374.7792.042.007.5988.82
091KKS__01A75.5875.3770.4559.7086.823.4712.6681.40
184MKK2_01S81.1981.1184.7171.7990.063.317.2887.25
147KGY__07S73.3872.9162.0252.5685.393.9716.7177.45
155NMS2_01A85.9987.5694.7180.2693.570.285.4991.54
156NMS2_02A78.4379.2174.1662.8589.001.5512.9082.98
163NMY__01A75.5675.0667.0756.8486.644.0614.7579.69
168NMY2_07A85.0785.8491.7777.7792.651.766.1390.27
171NMF2_03A81.3782.1880.5268.2490.651.5810.7985.63
172NMF2_04A81.9282.9385.9372.8291.071.217.8088.08
205HTK2_02A80.9881.8879.0767.0190.491.3911.5384.99
174HFI2_02A83.4083.9384.6871.7691.612.179.3387.27
122K_U__01A82.6483.6886.7973.5591.481.177.7888.40
128K_X__03A74.2374.3262.6553.0986.212.8317.2677.73
208OOY__01A75.5275.8364.5354.6987.082.4117.0278.50

Chemical compositions (wt%)
No.NameSiO2Al2O3Fe2O3TiO2CaOMgONa2OK2OIg.loss
046USI2_07A82.1212.960.270.010.020.060.082.262.04
084UKHT201A75.5915.200.450.020.040.121.424.672.19
085UKHT202A78.4614.830.370.020.050.130.062.932.55
091KKS__01A78.6314.860.550.020.030.110.062.862.68
184MKK2_01S80.3513.360.410.020.090.060.123.382.06
147KGY__07S81.6112.750.570.010.000.090.082.382.28
155NMS2_01A77.5015.190.330.020.060.131.042.792.61
156NMS2_02A77.1315.130.450.020.040.121.123.252.39
163NMY__01A79.6813.860.620.020.060.140.072.982.29
168NMY2_07A78.6015.170.280.020.030.100.082.443.02
171NMF2_03A77.3115.170.400.020.040.141.343.012.26
172NMF2_04A77.0215.300.350.020.030.400.943.162.46
205HTK2_02A78.7315.050.360.050.060.080.092.412.99
174HFI2_02A76.8716.250.290.040.090.110.090.735.07
122K_U__01A76.3615.930.560.020.020.220.193.482.92
128K_X__03A75.4216.020.610.070.330.190.573.323.07
208OOY__01A75.9316.250.660.080.030.210.073.043.26

Mineral compositions (wt%)
No.NameQuartzSericiteKaolin mineralFeldsparCalciteSiderite
046USI2_07A62.7327.059.310.830.000.08
084UKHT201A46.4424.2611.1318.170.000.00
085UKHT202A60.6833.994.630.630.000.07
091KKS__01A62.0123.8513.071.070.000.00
184MKK2_01S63.6428.636.341.380.000.01
147KGY__07S64.0523.1611.820.970.000.00
155NMS2_01A53.4128.3010.227.990.000.08
156NMS2_02A55.4726.409.658.120.360.00
163NMY__01A57.3233.268.281.040.000.10
168NMY2_07A59.5921.0218.540.550.150.15
171NMF2_03A54.7925.707.7111.800.000.00
172NMF2_04A50.7431.809.997.470.000.00
205HTK2_02A59.6521.0018.770.560.000.02
174HFI2_02A56.785.8236.900.500.000.00
122K_U__01A52.4735.949.082.390.000.12
128K_X__03A52.1430.2114.103.400.000.15
208OOY__01A53.3426.7618.660.950.030.26

Results of TGA and Colors of the Powder Samples after Measuring
The conditions for TGA were sample weight : about 180mg, heating rate : 20°C/min, ended temperature : 1,000°C.
LT : Total weight loss, L400 : Weight loss of 400-1,000°C.
No.NameLT
(wt%)
L400
(wt%)
XYZWhiteness
(Hunter)
LabWhiteness
(Lab)
046USI2_07A2.381.9683.8684.5188.3274.8591.931.967.3988.88
084UKHT201A2.692.0774.3071.6968.9958.4784.678.4710.9679.34
085UKHT202A3.462.3881.1980.2785.1872.1989.594.976.3586.84
091KKS__01A3.052.5470.2267.6563.6053.9082.258.4611.7377.11
184MKK2_01S2.401.9676.9576.2776.7865.0787.334.459.0183.83
147KGY__07S2.772.1463.7359.7651.5543.6977.3011.8714.5870.53
155NMS2_01A3.232.4784.3584.6690.9977.1192.012.625.7889.80
156NMS2_02A3.042.2276.4174.2867.4957.1986.197.4313.9079.04
163NMY__01A2.792.1164.9661.7255.6047.1278.5610.1113.0372.95
168NMY2_07A3.532.9081.6280.9784.4371.5589.984.447.3686.80
171NMF2_03A2.902.1479.6178.9777.1365.3688.874.4010.7583.91
172NMF2_04A3.122.3582.1582.0384.6471.7390.573.417.9987.18
205HTK2_02A3.332.8977.8876.7276.9665.2287.595.439.2283.61
174HFI2_02A5.814.8975.8074.6772.7261.6386.415.3610.5981.96
122K_U__01A3.362.7877.9976.8878.5666.5887.685.338.2584.24
128K_X__03A3.682.8771.0669.7465.9455.8883.515.7411.6479.01
208OOY__01A4.053.0568.3465.1652.1044.1580.729.8618.2471.69

Results of TMA and Colors of the Sintered Samples after Measuring
The conditions for TMA were compaction pressure : 250MPa, pellet diameter : 10mm, thickness : about 3mm, heating rate : 10°C/min, loading : 10g.
W10 : Contents of particles larger than 10µm, SM : Maximum shrinkage, T0 : Temperature at the maximum shrinkage, T5 : Temperature at the expansion coefficient becomes 0.0005/°C, TS5 : Temperature rectified using the correlative equation, TSK : Nominal temperature equivalent to its SK.
No.NameW10
(wt%)
SM
(%)
T0
(°C)
T5
(°C)
TS5
(°C)
TSK
(°C)
SKXYZW
(Hunter)
LabW
(Lab)
046USI2_07A49.88.67147014891482161427+69.3771.0981.6769.2184.31-0.691.5984.22
084UKHT201A44.86.73131213311328148017 65.6866.4973.0961.9481.541.083.9381.10
085UKHT202A53.06.76143414471438158526 72.5473.5882.4169.8485.780.843.0885.42
091KKS__01A46.86.85144614581453159627-75.4076.3485.9172.8187.371.142.8687.00
184MKK2_01S54.68.69142914371426157626 65.5867.1474.2662.9381.94-0.533.6281.57
147KGY__07S54.98.32144514521441158726+61.5162.7268.1557.7579.200.044.4278.73
155NMS2_01A51.07.58142214351427157726 71.4672.6181.5369.0985.210.572.9284.92
156NMS2_02A49.97.50138814001393154820+68.2869.3375.9764.3883.260.664.1982.74
163NMY__01A40.76.93143114381437158526 56.4457.9062.8353.2576.09-0.764.3175.70
168NMY2_07A46.57.45146414781473160927 71.4873.1683.6170.8685.53-0.511.9285.40
171NMF2_03A51.36.66138513961388154320+69.8671.5078.6066.6184.56-0.504.0884.02
172NMF2_04A47.37.76140114141409156226-70.4472.1280.4268.1584.92-0.563.3084.56
205HTK2_02A49.46.82147914961489161827+55.0756.4560.2851.0875.13-0.655.0274.62
174HFI2_02A42.56.14154115591557164529-66.6367.9073.8562.5882.400.134.5481.82
122K_U__01A34.46.99140514211425157526 66.5468.0874.0362.7482.51-0.444.5681.92
128K_X__03A49.46.61138913981391154620+61.9563.2067.6357.3179.50-0.025.2178.85
208OOY__01A46.57.69144314511446159126+63.5465.1070.5659.8080.68-0.634.6380.13
Last updated: August 1997