Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Category
Synthetic Polymer (Polylactic Acid)
Browse synthetic polymer (polylactic acid) specimens identified by the Rock Identifier community.
Learn about Synthetic Polymer (Polylactic Acid) in the encyclopedia
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Dalmatian Stone
Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)
igneous
Azurite
Azurite (Copper Carbonate Hydroxide), Cu3(CO3)2(OH)2
mineral
Honey Calcite (Yellow Calcite)
Calcium Carbonate (CaCO3)
mineral
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Biogenic Inclusions
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Basalt (Water-worn pebble)
Basalt (Mafic Extrusive Rock)
igneous
Fossiliferous Limestone (Murchisonia/Gastropod Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Granite
Phaneritic Plutonic Rock (primarily Quartz, Feldspar, and Mica)
igneous
Granite (Pink/Potassium-rich)
Phaneritic Plutonic Felsic Igneous Rock (primarily SiO2 with KAlSi3O8)
igneous
Cobaltian Calcite
Cobalt-bearing Calcite (Ca,Co)CO3
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Oolitic Limestone
Oolitic Carbonate (CaCO3)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Coquina
Biogenic Limestone (Coquina)
sedimentary
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Tufa
Calcareous Tufa (Calcium Carbonate, CaCO3)
sedimentary
Vesicular Basalt
Extrusive Mafic Volcanic Rock
igneous
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite in Host Rock
Iron Disulfide (FeS2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Fluorite (Green Fluorite on Host Rock)
Fluorite (Calcium Fluoride, CaF2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Specular Hematite with Pyrite
Iron Oxide (Fe2O3) with Iron Sulfide (FeS2)
mineral
Fluorite (Rainbow, Purple-Blue Tumbled)
Calcium Fluoride (CaF2)
Mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral