Basalt
Basalt
igneous
Category
Not A Rock (Man Made Polymer)
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Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous
Basalt Pebble
Extrusive Igneous Rock
igneous
Basalt Pebble
Extrusive Igneous Rock
igneous
Basalt Pebble
Extrusive Igneous Rock
igneous
Basalt
Extrusive igneous rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Vesicular Basalt
Extrusive Igneous Rock
igneous
Basalt
Mafic volcanic rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Plutonic Igneous Rock
igneous
Granite Pebble
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Dark fine-grained rock, likely basalt
Basalt; chiefly plagioclase feldspar and pyroxene, commonly with olivine and iron oxides
igneous
Granite
Felsic Plutonic Rock (primarily SiO2)
igneous
Granite
Phaneritic plutonic rock (Quartz-Alkali Feldspar-Plagioclase)
igneous
Granite
Phaneritic plutonic rock (Quartz + Feldspar + Mica)
igneous
Sandstone
Arenite (Sedimentary rock)
sedimentary
Smoky Quartz
Smoky Quartz (SiO2)
Mineral
Basalt
Basalt (Aphanitic Mafic Igneous)
igneous
Pitted Sedimentary Rock / Cupstone
Sedimentary rock with weathering pit (arenite / sandstone)
sedimentary
Granite
Granite
Igneous
Banded Agate (Polished Slice)
Chalcedony (cryptocrystalline Quartz), SiO2
mineral
Vesicular volcanic rock, possibly weathered basalt or scoria
Basaltic scoria/vesicular basalt; predominantly plagioclase, pyroxene, and iron-titanium oxides
igneous
Rounded basalt pebble
Basalt; fine-grained mafic volcanic rock, chiefly plagioclase and pyroxene with minor olivine or magnetite
igneous
Granite
Granite (Phaneritic Quartz-Feldspar rock)
igneous
Tumbled green aventurine (probable)
Quartzite dominated by quartz (SiO₂), with green mica/fuchsite or chlorite inclusions
mineral
Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral