Ametyst Colliery

6.425 crt - AAA

7.815 crt - AAA

3.6 crt - AAA

2.52 crt - AAA

3.42 crt - AAA

4.14 crt - AAA

4.14 crt - AAA

3.18 crt - AAA

3.09 crt - AAA

5.97 crt - AAA

3.27 crt - AAA

3.18 crt - AAA

3.75 crt - AAA

3.84 crt - AAA

6.57 crt - AAA

5.1 crt - AAA

3.36 crt - AAA

3.9 crt - AAA

3.87 crt - AAA

7.65 crt - AAA

3.39 crt - AAA

26.5 crt - AAA

20 crt - AAA

3.867 crt - AAA

7.165 crt - AAA

4.146 crt - AAA

5.04 crt - AAA

3.929 crt - AAA

14.3 crt - AAA

9.576 crt - AAA

5.604 crt - AAA

2.284 crt - AAA

3.483 crt - AAA

4.794 crt - AAA

5.93 crt - AAA

2.085 crt - AAA

7.09 crt - AAA

13.4 crt - AAA

13.242 crt - AAA

2.33 crt - AAA

1.779 crt - AAA

1.952 crt - AAA

2.72 crt - AAA

1.774 crt - AAA

2.61 crt - AAA

4.879 crt - AAA

2.508 crt - AAA

3.174 crt - AAA

3.542 crt - AAA

8.348 crt - AAA

2.358 crt - AAA

2.26 crt - AAA

2.218 crt - AAA

3.052 crt - AAA

1.98 crt - AAA

2.958 crt - AAA

6.865 crt - AAA

6.715 crt - AAA

7.365 crt - AAA

6.215 crt - AAA