Pottery-Stone Database / First grade

First grade pottery stone, 7 samples

Results of TGA & Colors of the powder samples after measuring

Results of TMA & Colors of the sintered samples after measuring

No. Name Sampling date Vein or deposit Mining place Mining company Sampling place Grade or sort
042 USI1_01A March 29, 1980 Sarayama V. Iguchiyama Ueda Tohseki ? First grade
101 KKS1_14A June 11, 1981 Kaigan V. Shimizuotoshi Kiyama Tohseki Seashore Recovery, first grade
103 KKS1_16A June 11, 1981 Kaigan V. Shimizuotoshi Kiyama Tohseki ? First grade B, small grain?
058 UMO1_02A June 11, 1981 Murayama V. Odatoko Furuyashiki Ueda Tohseki Lower drift, upper working face/left wall First grade
179 HFI1_09S March 26, 1981 Fukami V. Fukami Hisatsune Tohseki Inside drift/left/second working face First grade, SK29
182 HFI1_13A March 26, 1981 Fukami V. Fukami Hisatsune Tohseki Dressing plant First grade, special grade in other vein
194 SFD1_01A March 26, 1981 Fukami V. Fukami Shin-ei Tohseki Stock yard First grade

No.	Name	Sampling date	Vein or deposit	Mining place	Mining company	Sampling place	Grade or sort
042	USI1_01A	March 29, 1980	Sarayama V.	Iguchiyama	Ueda Tohseki	?	First grade
101	KKS1_14A	June 11, 1981	Kaigan V.	Shimizuotoshi	Kiyama Tohseki	Seashore	Recovery, first grade
103	KKS1_16A	June 11, 1981	Kaigan V.	Shimizuotoshi	Kiyama Tohseki	?	First grade B, small grain?
058	UMO1_02A	June 11, 1981	Murayama V.	Odatoko Furuyashiki	Ueda Tohseki	Lower drift, upper working face/left wall	First grade
179	HFI1_09S	March 26, 1981	Fukami V.	Fukami	Hisatsune Tohseki	Inside drift/left/second working face	First grade, SK29
182	HFI1_13A	March 26, 1981	Fukami V.	Fukami	Hisatsune Tohseki	Dressing plant	First grade, special grade in other vein
194	SFD1_01A	March 26, 1981	Fukami V.	Fukami	Shin-ei Tohseki	Stock yard	First grade

Colors of the milled samples
No. Name X Y Z Whiteness
(Hunter) L a b Whiteness
(Lab)
042 USI1_01A 86.12 87.77 94.12 79.76 93.69 0.14 6.02 91.28
101 KKS1_14A 85.18 86.78 94.04 79.69 93.16 0.19 5.36 91.31
103 KKS1_16A 78.87 79.22 84.25 71.40 89.01 2.41 6.18 87.16
058 UMO1_02A 78.54 78.24 67.95 57.58 88.45 3.70 16.37 79.63
179 HFI1_09S 86.75 87.52 98.42 83.41 93.55 1.81 3.11 92.62
182 HFI1_13A 89.09 89.49 101.18 85.75 94.60 2.56 2.80 93.40
194 SFD1_01A 81.89 81.71 79.05 66.99 90.39 3.52 11.43 84.66

Colors of the milled samples
No.	Name	X	Y	Z	Whiteness (Hunter)	L	a	b	Whiteness (Lab)
042	USI1_01A	86.12	87.77	94.12	79.76	93.69	0.14	6.02	91.28
101	KKS1_14A	85.18	86.78	94.04	79.69	93.16	0.19	5.36	91.31
103	KKS1_16A	78.87	79.22	84.25	71.40	89.01	2.41	6.18	87.16
058	UMO1_02A	78.54	78.24	67.95	57.58	88.45	3.70	16.37	79.63
179	HFI1_09S	86.75	87.52	98.42	83.41	93.55	1.81	3.11	92.62
182	HFI1_13A	89.09	89.49	101.18	85.75	94.60	2.56	2.80	93.40
194	SFD1_01A	81.89	81.71	79.05	66.99	90.39	3.52	11.43	84.66

Chemical compositions (wt%)
No. Name SiO₂ Al₂O₃ Fe₂O₃ TiO₂ CaO MgO Na₂O K₂O Ig.loss
042 USI1_01A 80.85 13.65 0.30 0.01 0.03 0.09 0.11 2.70 2.03
101 KKS1_14A 76.85 15.31 0.81 0.00 0.91 0.12 0.12 3.44 2.13
103 KKS1_16A 78.44 14.58 0.71 0.02 0.10 0.14 0.07 2.88 2.76
058 UMO1_02A 78.50 14.77 0.47 0.02 0.42 0.06 0.07 2.75 2.75
179 HFI1_09S 79.01 14.90 0.18 0.04 0.04 0.06 0.10 0.49 4.78
182 HFI1_13A 77.72 15.94 0.20 0.04 0.11 0.07 0.05 0.39 4.90
194 SFD1_01A 79.81 14.64 0.27 0.13 0.05 0.07 0.03 0.33 4.40

Chemical compositions (wt%)
No.	Name	SiO₂	Al₂O₃	Fe₂O₃	TiO₂	CaO	MgO	Na₂O	K₂O	Ig.loss
042	USI1_01A	80.85	13.65	0.30	0.01	0.03	0.09	0.11	2.70	2.03
101	KKS1_14A	76.85	15.31	0.81	0.00	0.91	0.12	0.12	3.44	2.13
103	KKS1_16A	78.44	14.58	0.71	0.02	0.10	0.14	0.07	2.88	2.76
058	UMO1_02A	78.50	14.77	0.47	0.02	0.42	0.06	0.07	2.75	2.75
179	HFI1_09S	79.01	14.90	0.18	0.04	0.04	0.06	0.10	0.49	4.78
182	HFI1_13A	77.72	15.94	0.20	0.04	0.11	0.07	0.05	0.39	4.90
194	SFD1_01A	79.81	14.64	0.27	0.13	0.05	0.07	0.03	0.33	4.40

Mineral compositions (wt%)
No. Name Quartz Sericite Kaolin mineral Feldspar Calcite Siderite
042 USI1_01A 59.88 31.17 8.28 0.67 0.00 0.00
101 KKS1_14A 55.01 34.17 8.28 0.50 1.59 0.45
103 KKS1_16A 53.01 33.88 12.50 0.51 0.00 0.10
058 UMO1_02A 62.17 19.92 16.15 1.61 0.00 0.15
179 HFI1_09S 62.20 0.01 36.55 1.04 0.00 0.20
182 HFI1_13A 57.73 11.30 30.28 0.66 0.00 0.03
194 SFD1_01A 65.27 0.01 34.16 0.50 0.00 0.06

Mineral compositions (wt%)
No.	Name	Quartz	Sericite	Kaolin mineral	Feldspar	Calcite	Siderite
042	USI1_01A	59.88	31.17	8.28	0.67	0.00	0.00
101	KKS1_14A	55.01	34.17	8.28	0.50	1.59	0.45
103	KKS1_16A	53.01	33.88	12.50	0.51	0.00	0.10
058	UMO1_02A	62.17	19.92	16.15	1.61	0.00	0.15
179	HFI1_09S	62.20	0.01	36.55	1.04	0.00	0.20
182	HFI1_13A	57.73	11.30	30.28	0.66	0.00	0.03
194	SFD1_01A	65.27	0.01	34.16	0.50	0.00	0.06

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.
L_T : Total weight loss, L₄₀₀ : Weight loss of 400-1,000°C.
No. Name L_T
(wt%) L₄₀₀
(wt%) X Y Z Whiteness
(Hunter) L a b Whiteness
(Lab)
042 USI1_01A 2.39 1.94 85.17 86.06 92.12 78.07 92.77 1.53 6.06 90.44
101 KKS1_14A 2.68 1.98 82.57 82.61 85.80 72.71 90.89 3.10 7.65 87.70
103 KKS1_16A 3.32 2.59 65.97 65.47 71.35 60.47 80.91 3.94 4.36 80.03
058 UMO1_02A 3.13 2.64 68.59 64.92 55.29 46.86 80.57 10.95 15.72 72.72
179 HFI1_09S 5.49 4.60 85.42 86.42 93.93 79.60 92.96 1.33 5.17 91.17
182 HFI1_13A 5.78 4.73 87.28 88.41 97.51 82.64 94.03 1.15 4.33 92.53
194 SFD1_01A 4.90 4.22 73.21 71.13 67.89 57.53 84.34 7.35 11.31 79.33

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. L_T : Total weight loss, L₄₀₀ : Weight loss of 400-1,000°C.
No.	Name	L_T (wt%)	L₄₀₀ (wt%)	X	Y	Z	Whiteness (Hunter)	L	a	b	Whiteness (Lab)
042	USI1_01A	2.39	1.94	85.17	86.06	92.12	78.07	92.77	1.53	6.06	90.44
101	KKS1_14A	2.68	1.98	82.57	82.61	85.80	72.71	90.89	3.10	7.65	87.70
103	KKS1_16A	3.32	2.59	65.97	65.47	71.35	60.47	80.91	3.94	4.36	80.03
058	UMO1_02A	3.13	2.64	68.59	64.92	55.29	46.86	80.57	10.95	15.72	72.72
179	HFI1_09S	5.49	4.60	85.42	86.42	93.93	79.60	92.96	1.33	5.17	91.17
182	HFI1_13A	5.78	4.73	87.28	88.41	97.51	82.64	94.03	1.15	4.33	92.53
194	SFD1_01A	4.90	4.22	73.21	71.13	67.89	57.53	84.34	7.35	11.31	79.33

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, S_M : Maximum shrinkage, T₀ : Temperature at the maximum shrinkage, T₅ : Temperature at the expansion coefficient becomes 0.0005/°C, T_S5 : Temperature rectified using the correlative equation, T_SK : Nominal temperature equivalent to its SK.
No. Name W₁₀
(wt%) S_M
(%) T₀
(°C) T₅
(°C) T_S5
(°C) T_SK
(°C) SK X Y Z W
(Hunter) L a b W
(Lab)
042 USI1_01A 44.9 7.98 1464 1477 1473 1609 27 70.68 72.40 81.92 69.42 85.09 -0.63 2.48 84.87
101 KKS1_14A 51.5 6.54 1429 1438 1430 1579 26 73.46 74.22 83.01 70.35 86.15 1.44 3.18 85.72
103 KKS1_16A 50.0 6.31 1435 1442 1435 1583 26 57.82 58.62 63.46 53.78 76.56 0.81 4.45 76.13
058 UMO1_02A 48.7 7.17 1469 1480 1474 1609 27 62.55 64.06 71.64 60.71 80.04 -0.57 2.96 79.81
179 HFI1_09S 45.1 4.44 1590 1598 1594 1653 29+ 77.85 79.46 93.48 79.22 89.14 -0.10 0.22 89.14
182 HFI1_13A 41.1 5.95 1599 1600 1599 1653 29+ 71.66 73.22 85.09 72.11 85.57 -0.26 0.94 85.54
194 SFD1_01A 46.0 5.11 1600 1600 1596 1653 29+ 67.95 69.68 79.76 67.59 83.47 -0.78 1.78 83.36
Last updated: August 1997

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, S_M : Maximum shrinkage, T₀ : Temperature at the maximum shrinkage, T₅ : Temperature at the expansion coefficient becomes 0.0005/°C, T_S5 : Temperature rectified using the correlative equation, T_SK : Nominal temperature equivalent to its SK.
No.	Name	W₁₀ (wt%)	S_M (%)	T₀ (°C)	T₅ (°C)	T_S5 (°C)	T_SK (°C)	SK	X	Y	Z	W (Hunter)	L	a	b	W (Lab)
042	USI1_01A	44.9	7.98	1464	1477	1473	1609	27	70.68	72.40	81.92	69.42	85.09	-0.63	2.48	84.87
101	KKS1_14A	51.5	6.54	1429	1438	1430	1579	26	73.46	74.22	83.01	70.35	86.15	1.44	3.18	85.72
103	KKS1_16A	50.0	6.31	1435	1442	1435	1583	26	57.82	58.62	63.46	53.78	76.56	0.81	4.45	76.13
058	UMO1_02A	48.7	7.17	1469	1480	1474	1609	27	62.55	64.06	71.64	60.71	80.04	-0.57	2.96	79.81
179	HFI1_09S	45.1	4.44	1590	1598	1594	1653	29+	77.85	79.46	93.48	79.22	89.14	-0.10	0.22	89.14
182	HFI1_13A	41.1	5.95	1599	1600	1599	1653	29+	71.66	73.22	85.09	72.11	85.57	-0.26	0.94	85.54
194	SFD1_01A	46.0	5.11	1600	1600	1596	1653	29+	67.95	69.68	79.76	67.59	83.47	-0.78	1.78	83.36