mineral
Blue halite (rock salt)
Halite (NaCl)
AI-generated identification · may be incorrectLikely a rough blue-violet halite crystal, with vitreous to slightly dull luster and cubic cleavage; hardness 2–2.5 Mohs and specific gravity about 2.16. The vivid color may be natural or enhanced, which cannot be established from the image alone.
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Physical properties
Likely a rough blue-violet halite crystal, with vitreous to slightly dull luster and cubic cleavage; hardness 2–2.5 Mohs and specific gravity about 2.16. The vivid color may be natural or enhanced, which cannot be established from the image alone.
Formation & geological history
Halite forms when saline water evaporates in restricted marine basins or salt lakes; deposits range from ancient sedimentary layers to modern evaporites. Blue coloration can result from defects or inclusions within the crystal lattice.
Uses & applications
Used chiefly for salt and chemical production; attractive pieces are collected, though halite is too soft and water-soluble for durable jewelry.
Geological facts
Halite has cubic crystal symmetry and a distinctive salty taste, but tasting an unidentified specimen is not recommended.
Field identification & locations
Check for cubic cleavage and softness; it dissolves readily in water. Major deposits occur in evaporite basins worldwide, including the United States, Germany, and Poland.
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