Quartz / Limestone Gravel
SiO2 (Silicon Dioxide) and CaCO3 (Calcium Carbonate)
igneous and sedimentary mixture
Category
Igneous And Sedimentary Mixture
Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.
Learn about Igneous And Sedimentary Mixture in the encyclopedia
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Mixed Crushed Stone
Aggregate (varied mineral composition)
igneous and sedimentary mixture
Dalmation Stone (Dalmation Jasper)
Peralkaline Rock with Feldspar and Arfvedsonite
igneous
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
igneous
Chalcedony (Agate/Quartz variety)
Cryptocrystalline Quartz (SiO2)
mineral
Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
igneous
Granite Sand (Decomposed Granite)
Grus / Quartz-Feldspar Detritus
sedimentary
Dalmation Stone
Peralkaline Rock (Microcline Quartz mixture with Arfvedsonite)
igneous
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
igneous
Weathered iron-rich rock, possibly limonite-bearing basalt or ironstone
Undetermined; likely iron oxides/hydroxides (goethite–hematite–limonite) in a silicate host
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Decorative polished pebbles
Likely mixed quartz-rich lithologies, including quartzite, jasper, and/or basalt
mineral
Dragon Blood Jasper
Epidote with Red Piedmontite (silicate)
sedimentary
Pegmatite / Granite with Mica
Pegmatite (Igneous Rock composed of Quartz, Feldspar, and Muscovite Mica)
igneous
Limonite / Ironstone Nodule
Limonite (Hydrated iron(III) oxide-hydroxide), FeO(OH)·nH2O
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Migmatite
Migmatite (Mixed Rock)
metamorphic
Ptygmatic Migmatite
Migmatite (consisting of Neosome and Paleosome fractions)
metamorphic
Granite
Phaneritic Igneous Rock (Granite)
igneous
Bumblebee Jasper
Calcite with Arsenic and Manganese oxides (technically a volcanic rock)
igneous
Granite Pebble (Pink/Orthoclase Granite)
Granite
igneous
Limonite (Ironstone Concretion)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Limonite-stained Chert/Jasper
Microcrystalline Quartz (SiO2) with Iron Oxides (FeO(OH)·nH2O)
sedimentary
Granite
Granite (composed primarily of Quartz SiO2, Potassium Feldspar KAlSi3O8, and Plagioclase Feldspar)
igneous
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
mineral
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Limonite and Goethite Iron Ore
Hydrated Iron Oxide Hydroxide (FeO(OH)·nH2O)
mineral
Limonite Sandstone
Ferruginous Sandstone (Hydrated Iron Oxide)
sedimentary
Granite Gravel (Pebble)
Intrusive Felsic Igneous Rock
igneous
Limonite
FeO(OH)·nH2O
mineral
Limonite (Ironstone Concretion)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
mineral
Limonite
FeO(OH)·nH2O
mineral
Limonite Geode / Ironstone Concretion
Hydrated iron oxide-hydroxide (FeO(OH)·n H2O)
sedimentary
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Bumblebee Jasper
Volcanic Tuff (mixture of Quartz, Sulfur, Hematite, and Orpiment)
igneous
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)·nH2O
mineral
Conglomerate (Asphaltic/Anthropogenic)
Clastic sedimentary rock / Bituminous mixture
sedimentary
Limonite
FeO(OH)•nH2O
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral