Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Category
Igneous And Sedimentary
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Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)
sedimentary
Sandstone (Ferruginous)
Arenite (Fe-rich)
sedimentary
Chert (Beach Pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Garnet Beads
Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)
Mineral
Fossilized Fish Skeleton in Matrix
Vertebrata (Class: Actinopterygii), typically found in limestone or shale matrices
sedimentary
Granite
Granodiorite / Granite (Phaneritic Igneous Rock)
igneous
Glauconitic Sandstone
Glauconitic sandstone ((K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)
sedimentary
Greenstone / River Jadeite pebble
Metavolcanic rock / Chlorite or Actinolite-rich schist
metamorphic
Granite
Granite (a felsic intrusive igneous rock)
igneous
Sandstone (Ferruginous)
Arenite (with Goethite/Limonite cement)
sedimentary
Sandstone (Quartzite-rich Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Quartz with Mafic Inclusions
Silicon Dioxide (SiO2) with host igneous matrix
igneous
Fossiliferous Limestone with Rugose Coral
Calcite (CaCO3) matrix containing Rugosa (order of extinct solitary and colonial corals)
sedimentary
Pink Granite
Phaneritic intrusive igneous rock (Granite)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Vesicular Basalt
Extrusive mafic igneous rock (Basalt)
igneous
Granite
Intrusive Phaneritic Felsic Igneous Rock
igneous
Basalt River Stone
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Granite Water-Worn Pebble
Felsic intrusive igneous rock (Granite)
igneous
Granite Pebble
Granite (Felsic intrusive igneous rock)
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Granite
Granite (Felsic Intrusive Igneous Rock)
igneous
Basalt (Vesicular or Weathered)
Aphanitic Mafic Igneous Rock (Basalt)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt (with possible fluidal texture)
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Granite
Phaneritic Intrusive Igneous Rock (Granite)
igneous
Pink Granite
Phaneritic Intrusive Igneous Rock (Granite)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Pink Granite
Phaneritic intrusive igneous rock (Granite)
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Diorite
Plutonic Igneous Rock (NaAlSi3O8, CaAl2Si2O8)
igneous
Vesicular Basalt
Aphanitic Mafic Igneous Rock (with vesicles)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Xenolith in Basalt
Mafic Igneous Rock with Felsic Inclusion
igneous
Kimberlite with Diamonds
Kimberlite (ultramafic potassic igneous rock)
igneous
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
igneous
Basalt with Weathered Crust
Aphanitic Mafic Igneous Rock (Basalt)
igneous