Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Category
Mineral Based Composite
Browse mineral based composite specimens identified by the Rock Identifier community.
Marble
Metamorphic rock composed of Recrystallized Carbonate Minerals (chiefly CaCO3)
metamorphic
Moss Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Sandstone (with banding/weathering)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
metamorphic
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Glauconitic Sandstone (Greensand)
Glauconitic Sandstone ((K, Na)(Fe3+, Al, Mg)2(Si, Al)4O10(OH)2)
sedimentary
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Amethyst Sage Agate
Silicon Dioxide (SiO2) with trace minerals (Manganese/Iron oxides)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Red Garnet
Pyrope or Almandine (Silicate group, X3Y2(SiO4)3)
Mineral
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
metamorphic
Jasper
Silicon Dioxide (SiO2)
sedimentary
Jasper (likely a variety of Yellow or Mustard Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary (chemically precipitated mineral)
Sandstone
Arenite (SiO2-rich)
sedimentary
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Limonite
Limonite (Hydrated iron(III) oxide-hydroxide) FeO(OH)·nH2O
mineral
Aragonite (specifically Mexican Marbled Onyx)
Aragonite (Calcium Carbonate, CaCO3)
mineral
Rhodonite Tumbled Chips
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Cinnabar in Quartz
Silicon Dioxide (SiO2) with Mercury Sulfide (HgS) inclusions
Mineral
Sandstone (likely Ferruginous)
Sandstone (SiO2 with iron oxides)
sedimentary
Blue Chalcedony
Chalcedony (SiO2)
mineral
Gold
Native Gold (Au)
mineral
N/A (The provided image is a storyboard/digital document)
N/A
Travertine
Terrestrial Sedimentary Rock (CaCO3)
sedimentary
Chondrite Meteorite
Ordinary Chondrite (L or H Type)
Mineral
Sandstone (Ferruginous)
Arenite (Fe-rich)
sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Sandstone
Arenite (composed primarily of Quartz: SiO2)
sedimentary
Gastly (Trick or Trade Halloween Series)
Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)
Mineral (Synthetic - Paper and Ink Polymorph)
Tumbled Stones (various)
Mixed Silica-based Minerals (primarily Quartz and Chalcedony)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Asphalt / Bituminous Aggregate
Bituminous mixture (Hydrocarbon-based sediment)
sedimentary
Sandstone (Red Sandstone)
Arenite (SiO2 based with Fe2O3 staining)
sedimentary