Mineral

Major components

Minor components

1

2

3

4

5

6

7

8

9

10

Clinochlore

40.0

31.6

2.1

---

40.8

12.5

Hornblende

23.5

31.6

6.4

---

19.1

37.4

Quartz

12.6

13.6

33.6

35.4

10.4

21.3

38.0

74.2

Talc

13.1

13.8

---

---

19.5

---

Albite

6.1

11.0

35.6

38.7

---

14.3

Biotite

4.0

5.9

4.9

4.7

5.9

6.8

Microcline

---

---

17.4

21.2

---

---

Cassiterite

0.15

0.18

0.26

0.31

0.12

7.70

8.5

Topaz

53.4

25.8