Olivine (Mg,Fe)2SiO4 Kaersutite 4b Yellowish 10 YR 5 6 Sparse 0.3 1.0 Very Very Quartz SiO2 – brown brown mm Poor Angular – Calcite CaCO3 mostly Plagioclase NaAlSi3O8 – around 0.5 CaAl2Si2O8 mm Sanidine (K,Na)AlSi3O8 Olivine (Mg,Fe)2SiO4 Monticellite Ca(Mg,Fe)2SiO4 Kaersutite
Olivine (Mg,Fe)2SiO4 Kaersutite 4b Yellowish brown 10 YR 5 6 brown Sparse 0.3 – 1.0 mm – mostly around 0.5 mm Very Poor Very Angular Quartz SiO2 Calcite CaCO3 Plagioclase NaAlSi3O8 – CaAl2Si2O8 Sanidine (K,Na)AlSi3O8 Olivine (Mg,Fe)2SiO4 Monticellite Ca(Mg,Fe)2SiO4 Kaersutite
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