|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Northern Ireland > Natrolite
|Giant's Causeway, County Antrim, Northern Ireland
|White needle-like crystals of transparent natrolite on gray basalt matrix. The natrolite has brownish coloration due to secondary mineral, possibly stevensite. Tschernich in Zeolites of the World states that natrolite from this location is rare. Ex. John A. Manley (1861-1936) ca. 1890s
|For reference only
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