bn:02377059n
Noun Concept
Categories: Igneous petrology, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Pyroclastic rocks, Igneous rocks, Igneous petrology stubs
EN
peperino  lapis albanus  peperine  Peperine stone  Peperino stone
EN
Peperino is an Italian word describing a brown or grey volcanic tuff, containing fragments of basalt and limestone, with disseminated crystals of augite, mica, magnetite, leucite, and other similar minerals. Wikipedia
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EN
Peperino is an Italian word describing a brown or grey volcanic tuff, containing fragments of basalt and limestone, with disseminated crystals of augite, mica, magnetite, leucite, and other similar minerals. Wikipedia
A light, porous volcanic rock composed of small grains of sand etc. Wiktionary
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