Granite
Intrusive Igneous Rock
igneous
Category
Man Made Rock (Technosol)
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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
Sandstone with Quartz Vein
Arenite with SiO2 intrusion
sedimentary
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
sedimentary
Gneiss
Foliated Metamorphic Rock (Gneiss)
metamorphic
Dalmatian Jasper
Peralkaline rock with Tourmaline spots
igneous
Gneiss
Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)
metamorphic
Porphyry
Porphyritic Igneous Rock
igneous
Quartzite River Rock
Metamorphic Rock (Quartzite)
metamorphic
Basalt
Mafic Igneous Rock
igneous
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica/Amphibole)
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite Pebble
Intrusive igneous rock (Quartz, Feldspar, Mica)
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite Pebble
Granite
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous