Vojens, Region of Southern Denmark
Namsskogan, Nord-Troendelag
Norwegian Crystallites AS produces high purity crystal quartz for high tech. end uses.
Drag, Nordland
Ljungby, Kronoberg County
,
Thisted, North Denmark Region
Malmefjorden, Moere og Romsdal
Gram, Region of Southern Denmark
Stone industry.
Tervajoki, Western Finland
Kokemaki, Western Finland
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