Nephrite Jade (Pounamu)
Nephrite [Ca2(Mg, Fe)5Si8O22(OH)2]
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Nephrite Jade (Pounamu)
Nephrite [Ca2(Mg, Fe)5Si8O22(OH)2]
Banded Gneiss
Foliated Gneiss
Iron-Stained Quartz/Quartzite
Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)
Gneiss
Gneiss
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Smoky Quartz
Silicon Dioxide (SiO2)
Silty Shale
Silty Shale (Fissile Sedimentary Rock)
Sandstone
Arenite (primarily SiO2)
Gneiss
High-grade Metamorphic Gneiss
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Quartzite
Quartzite
Granite
Phaneritic Plutonic Rock (primarily SiO2, Al2O3, K2O, Na2O)
Amphibolite
Amphibolite
Siltstone
Siltstone (siliciclastic sedimentary rock)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (Mainly SiO2)
Quartzite Pebble
Quartzite (SiO2)
Greywacke (River Siltstone)
Lithic Wacke (Sandstone subfamily)
K2 Jasper
Azurite in Granite
Bauxite
Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))
Carnelian (a variety of Chalcedony)
SiO2 (Silicon Dioxide) with Iron Oxide impurities
Basalt
Basalt
Chalcedony (including Carnelian and Agate variants)
Silicon Dioxide (SiO2)
Dendritic Opal (Merlinite)
Hydrated Silica with Manganese/Iron oxide inclusions (SiO2·nH2O)
Basalt
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
Basalt (Water-worn pebble)
Basalt (Mafic Extrusive Rock)
Basalt
Aphanitic Mafic Igneous Rock
Sunstone
Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8
Epidote
Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))
Asphalt (Bituminous Concrete)
Bituminous Concrete / Pavement
Tree Agate
Silicon Dioxide (SiO2) with Chlorite inclusions
Citrine Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine or Yellow Chalcedony)
Silicon Dioxide (SiO2)
Diamond (in Matrix)
Carbon (C)
Yellow Jasper
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions), SiO2
Garnet Schist
Almandine-Mica Schist
Greenstone
Metabasalt (Greenstone)
Marble
Recrystallized Carbonate Rock (CaCO3)