![](http://www.alamy.com/thumbs/6/FA8B9307-AF3D-4D44-962A-2A934A29E28A/2F3J4GF.jpg)
neptunite and natrolite on crossite or crisite mineral sample crystals
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Photo credit: © WireStock / Alamy / Afripics
License: Royalty Free
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Keywords: aggregates, amphibole, basalt, benitoite, calcite, courage, crosite, crossite, crystal, druze, fibrous, fluorescent, geology, globular, intuition, ionosilicate, lava, magnesioriebeckite, mineral, natrolite, needles, nepheline, neptunite, opaque, protrusions, radiating, sample, science, silicate, sodic, stone, syenites, translucent, ultraviolet, zeolite