Table 1 Semi-quantitative analysis of mineral phases of experimental samples.
From: Mineralogical characteristics and color genesis of black quartzite jade from Linwu, Hunan, China
Number | α-Quartz | Mica | Feldspar | Andalusite | Rutile | Clay minerals | Titanium carbide | Ilmenite |
|---|---|---|---|---|---|---|---|---|
TJ-LG-01 | 27.6 | 21.1 | 16.3 | 11.6 | 4.3 | 16.9 | 0.8 | 1.4 |
TJ-LG-04 | 29.1 | 20.3 | 16.3 | 10.8 | 4.8 | 16.6 | 0.9 | 1.2 |
TJ-B-01 | 25.2 | 21.6 | 15.7 | 10.5 | 5 | 19.6 | 0.9 | 1.5 |
TJ-B-02 | 26.6 | 23.6 | 15.1 | 9.9 | 4.4 | 18.1 | 0.7 | 1.6 |
TJ-B-03 | 25.4 | 18.9 | 16.1 | 15.4 | 4.7 | 17.1 | 0.9 | 1.5 |
TJ-DG-02 | 24.6 | 21.5 | 17.4 | 10.5 | 4.8 | 18.6 | 0.8 | 1.8 |
TJ-DG-04 | 32.6 | 19.2 | 19.2 | 8.5 | 3.7 | 14.9 | 0.6 | 1.3 |
Average | 27.30 | 20.89 | 16.59 | 11.03 | 4.53 | 17.40 | 0.80 | 1.47 |
