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On lava, crystals max 6 mm, acicular grouped ball, with two Siderite crystal, elongated, tubular red rust.

On lava, in a druse, acicular cristals  meeting in spheroid, 7 mm, white, almost glassy.

Of volcanic lava in a small geode,group of acicular crystals in aggregate hemisphere, 7 mm, white glazed.

In druse on lava, tufts widespread and small beads of 0.6 cm diameter of acicular cristals, 2 mm, white, glassy shiny.

On block of lava, with many cavities, tuft aesthetic cristals elongated, 10 mm, white acicular.