Jasper Conglomerate
Jasper-clast Conglomerate (SiO2)
sedimentary
Category
Amorphous Solid
Browse amorphous solid specimens identified by the Rock Identifier community.
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Red Scoria
Scoria (Basaltic Scoria)
igneous
Scoria (Lava Rock)
Scoria (Vesicular Basalt)
igneous
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Vesicular basalt (scoria-like volcanic rock)
Basalt, chiefly plagioclase feldspar, pyroxene, and iron-rich minerals; abundant vesicles from escaping volcanic gas
igneous
Jasper
Chalcedony (SiO2)
mineral
Pearl strand
Nacreous pearl, primarily aragonite (CaCO₃) with conchiolin protein
gemstone
Chondrite
Ordinary Chondrite (L or H group)
meteorite
Vesicular Basalt (Scoria)
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Gold
Native gold (Au)
mineral
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Agate Geode Node
Cryptocrystalline Quartz (SiO2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Thunderegg (specifically a Jasper/Agate-filled Geode nodule)
Silicon Dioxide (SiO2) within Rhyolitic Matrix
igneous
Coquina
Bioclastic Limestone (composed primarily of CaCO3)
sedimentary
Botryoidal aragonite (cave or hydrothermal aragonite)
Aragonite, orthorhombic CaCO₃; likely associated with calcite and minor matrix minerals
mineral
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite Cobble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Fossiliferous Limestone / Fossil Fragment
Calcium Carbonate (CaCO3) with indeterminate biogenic remains
fossil
Pumice
Pumice (SiO2 + Al2O3 + Fe2O3)
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Basalt with Peridotite Xenolith
Mafic Igneous Rock with Peridotite Inclusion (Olivine-rich)
igneous
Quartzite Geode (unopened)
SiO2 (Silicon Dioxide)
metamorphic
Quartz Geode
Crystalline Silicon Dioxide (SiO2)
mineral
Conglomerate
Conglomerate (Clastic Sedimentary Rock)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Vesicular basalt (likely weathered scoria)
Basalt; predominantly plagioclase, pyroxene, and commonly olivine, with abundant vesicles
igneous
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Weathered iron-rich sandstone or laterite fragment
Ferruginous sandstone, chiefly quartz (SiO₂) cemented or stained by iron oxides/hydroxides
sedimentary
Vesicular Basalt
Basalt (Vesicular)
igneous
Unopened Geode
Geode (containing various mineralization like Quartz SiO2)
sedimentary
Agate (Thunderegg segment)
Silicon dioxide (SiO2) - Microcrystalline Quartz/Chalcedony
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartz Geode (Cracked Open Fragment)
Silicon Dioxide (SiO2)
mineral
Basalt Scoria
Scoria (vesicular basalt)
igneous
Gold Nugget
Native Gold (Au)
mineral
Red Quartz
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Milky Quartz Nodule / Geode precursor
Silicon Dioxide (SiO2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Geode or Concretion
Silica-based Concretion / Quartz Geode
sedimentary