diatomaceous earth

noun 0.583

silica gel

noun 0.572

kaolin

noun 0.563

illite

noun 0.547

kaolinite

noun 0.538

silicalite

noun 0.537

zeolite

noun 0.537

silica

noun 0.533

china clay

noun 0.532

perlite

noun 0.529

kalsilite

noun 0.528

xerogel

noun 0.527

dickite

noun 0.525

fire clay

noun 0.523

aerogel

noun 0.521

ball clay

noun 0.514

cristobalite

noun 0.511

kerogen

noun 0.511

gilsonite

noun 0.508

bentonite

noun 0.507

tridymite

noun 0.507

silica glass

noun 0.506

sepiolite

noun 0.506

greywacke

noun 0.504

molecular sieve

noun 0.504

silicon dioxide

noun 0.502