Sample no. 2

Mineral

Relative %

Card number

1

Quartz SiO₂

50.2

(5 - 0490)

2

Microcline KAlSi₃O₈

20.9

(01 - 0705)

3

Rutile TiO₂

20.1

(21 - 1272)

4

Albite Na(AlSi₃O₈)

5.8

(02 - 0739)

5

Illite KAl₂(Si₃AlO₁₀)(OH)₂

3.0

(25 - 0001)