Blue Barite SpecimenBlue Barite Specimen About This Specimen Blue Barite is a variety of Barite that crystallizes in forms ranging from tabular, to needles, and even druzy. Blue Barite gains its blue tons from barium sulfate. It can range in color from a deep blue to nearly transparent. Its commonly crystallized with Limonite or growing on a quartz and calcite matrix. Color: Semi transparent to deep blue Hardness: 3 Crystal System: Orthorhombic Country of Origin: Morocca