XRD, TGA and TMA Charts (No.039)

No.NameSampling dateVein or depositMining placeMining companySampling placeGrade or sort
039USDH_20ANovember 13,1982Sarayama V.DenbeekobaUeda TohsekiUpper level / rightHenshoku (discoloration), boundary of Shima (stripes)

Colors of the milled samples
XYZWhiteness (Hunter)LabWhiteness (Lab)
71.7972.3067.9657.5985.031.9112.1380.64

Chemical compositions (wt%)
SiO2Al2O3Fe2O3TiO2CaOMgONa2OK2OIg.loss
77.0015.450.760.010.130.110.093.822.17


Mineral compositions (wt%)
Q : QuartzM : SericiteK : Kaolin mineralF : FeldsparC : CalciteS : Siderite
50.9943.853.721.000.370.08


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 : 1000°C.
LT : Total weight loss, L400 : Weight loss of 400-1000°C.
LT (wt%)L400 (wt%)XYZWhiteness (Hunter)LabWhiteness (Lab)
2.821.9964.3363.2961.7752.3579.565.129.6576.82


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, SMax : 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.
W10
(wt%)
SMax
(%)
T0
(°C)
T5
(°C)
TS5
(°C)
TSK
(°C)
SKXYZW
(Hunter)
LabW
(Lab)
49.97.87138213931386154220+53.8355.1459.2950.2574.26-0.554.6473.84
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