Brewsterite Strontian, North West Highlands (Argyllshire), Scotland, UK Tan brewsterite crystals covering two sides of a calcite matrix. The calcite fluoresces bright orange under SW UV light. This is the type locality for brewsterite. 1.8 x 1.1 x 0.8 inches 4.6 x 2.8 x 2.0 cm Item 8334