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Benitoite crystals on matrix. a rare blue barium titanium silicate mineral, found in hydrothermally altered serpentinite. BaTiSi3O9

Benitoite crystals on matrix. a rare blue barium titanium silicate mineral, found in hydrothermally altered serpentinite. BaTiSi3O9

Benitoite crystal on unusal field of snowy white Natrolite. Benitoite is a blue barium titanium silicate mineral, found in hydrothermally altered serpentinite. It is the CA state gemstone.

Benitoite crystal on unusal field of snowy white Natrolite. Benitoite is a blue barium titanium silicate mineral, found in hydrothermally altered serpentinite. It is the CA state gemstone.