Where can I find Silica in Körle?

Silica can also be found in these cities:

Alheim Bad Emstal Baunatal Borken Felsberg Großalmerode Guxhagen Hessisch Lichtenau Homberg (Efze) Kassel Knüllwald Melsungen Morschen Staufenberg

You can also find this in Körle:

Large Appliance Descaler Filter Sleeves Fruit Milk Baking Ingredients Beer Jam Vinegar Beef Spices