ERTH 114 Earth Materials

Quiz 2 Preparation

Give the chemical compositions of the following minerals:

spinel MgAl₂O₄

sphalerite/wurtzite ZnS

molybdenite MoS₂

kyanite Al₂SiO₅

andalusite Al₂SiO₅

sillimanite Al₂SiO₅

orthoclase KAlSi₃O₈

sanidine KAlSi₃O₈

microcline KAlSi₃O₈

albite NaAlSi₃O₈

anorthite CaAl₂Si₂O₈