Percent

Formula

Minerals

32.2

CaCO₃

Calcite

19.8

CaMg(CO₃)₂/CaO・MgO・2CO₂

Dolomite

10.2

BaSO₄

Barite

12.3

SiO₂

Quartz

4.4

ZnS

Sphalerite

3.7

PbS

Galena

11.3

KAlSi₃O₈

Microcline

6.1

K_0.7Al_2.1(Si,Al)₄O₁₀(OH)₂

Illite-2 ITM2 RG