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Sample locationWitte Paarden, Overijssel
FormationFormation of Drenthe
DepositBoulder Clay
Date21-06-2020

Proportions of translucent heavy minerals

GarnetFe2+Al2[SiO4]33715.9%
EpidoteCa2Fe3+Al2O.OH[Si2O7][SiO4]5021.6%
ClinozoisiteCa2Al.Al2O.OH[Si2O7][SiO4]73.0%
Hornblende(Ca,Na)2–3(Mg,Fe,Al)5(Al,Si)8O22(OH,F)27934.1%
Staurolite(Fe2+Mg)2(AlFe3+)9O6[SiO4](O,OH)2104.3%
SillimaniteAl2O[SiO4]114.7%
KyaniteAl2O[SiO4]73.0%
AndalusiteAl2O[SiO4]10.4%
Topaz Al2O[SiO4](F,OH)220.9%
TourmalineNa(Mg,Fe,Mn,Li,Al)3Al6[Si6O18](BO3)3(OH,F)4208.6%
ZirconZrSiO441.7%
RutileTiO241.7%
Total 232100.0%

Pie chart of translucent heavy minerals

Picture of heavy mineral strewn slide