Heulandite by Franzjoseph
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Description
Heulandite - (NA, CA)2-3 AI3 (AI,Si)2 Si13 O36 12H2O, A Silicate which forms in Basalts.
This particular lump is about 3 inches long.
Comments (3)
durleybeachbum
Beautiful! thankyou for telling were it forms!
afugatt
This is an incredible shot! I have just stumbled upon your gallery and I am really enjoying the shots of your specimens. I am also a mineral collector and have a pretty extensive collection. I haven't been very successful in photographing them however.
billcody
Wonderful mineralogy shot! It looks very great zooming in! All the structures of the crystals are visible. Great catch!