| jdo GMELINITE and NATROLITE, Antrim, Ireland, (Martin Ehrmann ca 1938), 5.5 x 4.5x 3.5 cm | |
 | Old original Martin Ehrmann label ca 1938, A volcanic matrix with vugs containing Gmelinite and Natrolite. Specimens from Ireland are hard to find. Here is a historic specimen with Ehrmann's label. |
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