mineral
Barite
Barium Sulfate (BaSO4)
Hardness: 3-3.5 on the Mohs scale, Color: Colorless, white, light blue, yellow, brown, or gray, Luster: Vitreous to pearly, Crystal structure: Orthorhombic, Cleavage: Perfect in three directions forming tabular crystals, Specific Gravity: High (4.3-4.5) for a non-metallic mineral.
- Hardness
- 3-3
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Physical properties
Hardness: 3-3.5 on the Mohs scale, Color: Colorless, white, light blue, yellow, brown, or gray, Luster: Vitreous to pearly, Crystal structure: Orthorhombic, Cleavage: Perfect in three directions forming tabular crystals, Specific Gravity: High (4.3-4.5) for a non-metallic mineral.
Formation & geological history
Forms in hydrothermal veins, hot spring deposits, and as evaporites in sedimentary rocks, particularly in limestone caves or clay beds.
Uses & applications
Primarily used as a weighting agent in drilling muds for oil and gas exploration, as well as in paints, paper, rubber, and medical imaging (barium meals).
Geological facts
Barite gets its name from the Greek word 'barys', meaning 'heavy', due to its unusually high specific gravity. It often forms striking crystal clusters known as 'desert roses' when it crystallizes with sand inclusions.
Field identification & locations
Easily identified by its high density (heavy feel for its size), perfect cleavage yielding tabular crystals, and lower hardness. Found worldwide, with notable deposits in Morocco, China, Romania, and the USA.
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