Polished orbicular granite (likely larvikite or orbicular diorite)
Quartz/feldspar-bearing granitoid with dark amphibole–biotite minerals; exact variety requires testing
igneous
Category
Mineral Or Sedimentary Rock (With Mineral Inclusions)
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
Learn about Mineral Or Sedimentary Rock (With Mineral Inclusions) in the encyclopedia
View all →
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
mineral
Chert (Common Opal/Agatized Rock)
Microcrystalline Quartz (SiO2) with potential Chalcedony/Opaline silica
sedimentary
Gneiss
Gneiss
metamorphic
Blue Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled jasper or iron-rich chert
Microcrystalline quartz (SiO₂), likely with iron-oxide inclusions
mineral
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Blue Quartz
Quartz (SiO2) with inclusions
Mineral
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg3Si2O5(OH)4)
metamorphic
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Red Jasper
Silicon Dioxide (SiO2 with Hematite impurities)
mineral
Desert rose
Gypsum (selenite) rosette, CaSO₄·2H₂O
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
sedimentary (anthropogenic / man-made)
Moss Agate
Agate (Silicon Dioxide, SiO2) with dendritic inclusions
sedimentary
Quartzite Pebble
Quartzite (SiO2) with mineral inclusions
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Chlorite inclusion
Silicon Dioxide (SiO2) with Chlorite group inclusions
mineral
Schist (Micaceous Schist)
Schist (comprising Muscovite/Biotite mica, Quartz, and Feldspar)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Chert (Green variety)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 primary composition)
sedimentary
Red jasper (likely brecciated jasper)
Microcrystalline quartz, SiO₂, colored mainly by iron oxides
mineral
Red Breccia Jasper
Silicon Dioxide (SiO2) with hematite and various mineral inclusions
sedimentary
Limestone with Calcite
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
mineral
Tumbled brecciated jasper (likely)
Jasper, an opaque microcrystalline variety of quartz (SiO₂), with iron-oxide-rich zones
mineral
Ferruginous Quartz (Carnelian-tinted Quartz)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Vesicular Basalt with Amygdules
Amygdaloidal Basalt
igneous
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Yellow Jasper
Silicon Dioxide with Limonite/Goethite inclusions (SiO2)
sedimentary
Epidote-bearing Rock / Epidote Inclusion
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) in host rock
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Geode Segment
Crystalline Silicon Dioxide (SiO2)
mineral
Polished River Jasper
Silicon Dioxide (SiO2) with iron and other mineral inclusions
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) mixture
mineral
Common Opal (Green Opal)
Hydrated Silicon Dioxide (SiO2·nH2O)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Mixed tumbled stone collection
Assorted minerals, likely including quartz, jasper, agate, and possibly obsidian or hematite
mineral