Vesicular Basalt
Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)
igneous
Category
Basalt
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Basalt (River Pebble)
Extrusive mafic igneous rock
igneous
Basalt (Weathered River Stone)
Extrusive Mafic Igneous Rock
igneous
Basalt (Weathered River Stone)
Basalt (Extrusive Mafic Igneous Rock)
igneous
Basalt (Weathered Pebble)
Extrusive mafic igneous rock; minerals primarily Plagioclase feldspar and Pyroxene
igneous
Basalt (River Rock pebble)
Basalt (a mafic extrusive igneous rock)
igneous
Basalt (Vesicular)
Extrusive mafic igneous rock
igneous
Basalt (River Pebble)
Extrusive Mafic Igneous Rock
igneous
Basalt (with possible weathered crust)
Basalt (composition: Plagioclase feldspar, Pyroxene, Olivine)
igneous
Vesicular Basalt
Extrusive Basalt (Mafic Silicate)
igneous
Basalt (Greenstone/Trap Rock)
Basalt (dominated by plagioclase feldspar and pyroxene)
igneous
Basalt (Vesicular)
Basalt (Mafic volcanic rock)
igneous
Basalt (River Stone)
Extrusive Mafic Igneous Rock (Basalt)
igneous
Basalt (Crushed Stone)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt (with possible Olivine inclusions)
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt (Polished River Stone)
Aphanitic Mafic Igneous Rock
igneous
Basalt (Vesicular/Scoria)
Basalt (Extrusive Mafic Rock)
igneous
Basalt (Beach Pebble)
Basalt (extrusive volcanic rock)
igneous
Basalt (River Stone)
Extrusive mafic igneous rock
igneous
Basalt (Polished River Stone)
Basalt (Extrusive Mafic Volcanic Rock)
igneous
Vesicular Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt (with secondary mineral infilling)
igneous
Basalt Pebble
Basalt (Extrusive Igneous Rock)
igneous
Basalt Pebble
Extrusive mafic igneous rock; primarily (Ca, Na)(Mg, Fe, Al)Si2O6 and (Ca, Na)AlSi3O8
igneous
Basalt (River Stone)
Basalt (Extrusive Igneous Rock)
igneous
Larimar (with dendritic inclusions)
Blue Pectolite (NaCa2Si3O8(OH))
gemstone
Dream Amethyst (Chevron Amethyst)
Silicon Dioxide (SiO2) with Ferric Iron impurities
mineral
Basalt with Quartz Veining
Basalt (Mafic Volcanic Rock) with Silicon Dioxide (SiO2) inclusions
igneous
Vesicular Basalt
Extrusive mafic igneous rock
igneous
Basalt (Beach Pebble)
Extrusive mafic volcanic rock
igneous
Vesicular Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt (River Pebble)
Extrusive mafic igneous rock
igneous
Basalt (with possible weathering or secondary mineral crust)
Basalt (Aphanitic Mafic Igneous Rock)
Igneous
Basalt (Weathered)
Mafic Igneous Rock
igneous
Basalt (River Rock Cobble)
Extrusive mafic igneous rock
igneous
Basalt (Beach Pebble)
Extrusive mafic volcanic rock
igneous
Basalt (Vesicular or Scoriaceous)
Aphanitic Mafic Volcanic Rock
igneous
Basalt (with possible alteration or lichen)
Mafic volcanic rock (primarily Plagioclase and Pyroxene)
igneous
Vesicular Basalt
Extrusive mafic igneous rock
igneous
Basalt (Vesicular or Porphyritic)
Aphanitic Mafic Igneous Rock
igneous
Basalt (River Stone)
Extrusive mafic igneous rock
igneous
Vesicular Basalt
Basalt (Extrusive Mafic Igneous)
igneous