Natrolite, Analcime
Cape Grim, Cape Grim district, Circular Head municipality, Tasmania, Australia
A shallow cavity in basalt matrix hosts numerous tufts of natrolite needles plus clusters of transparent, colorless analcime crystals. The natrolite needles reach about 4 mm, whereas individual analcimes top out at about 3 mm. From a premier Tasmanian zeolite locality.
Specimen dimensions: 8.6 x 7.0 x 3.1 cm (3.4 x 2.8 x 1.2 inches)
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