Clear Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Category
Mixed: Igneous And Sedimentary
Browse mixed: igneous and sedimentary specimens identified by the Rock Identifier community.
Learn about Mixed: Igneous And Sedimentary in the encyclopedia
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Milky Quartz/White Quartz
Silicon Dioxide (SiO2)
mineral
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
mineral
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
SiO2 (Silicon Dioxide)
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
mineral
Pyrite and Quartz Agglomerate
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
mineral
Pyrite
Pyrite (FeS₂)
Mineral
Dalmatian Stone
Dalmatian Stone (a variety of aplite)
igneous
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
igneous
Dalmatian Jasper
Peralkaline rhyolite
igneous
Quartz Geode
Silicon Dioxide (SiO2) within a sedimentary or igneous host
sedimentary
Caliche (also known as hardpan, calcrete, kankar)
Primarily composed of calcium carbonate (CaCO₃), often mixed with other minerals like quartz, clay minerals, and iron oxides.
Mineral
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Disulfide (FeS2)
Mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Dalmation Stone (Dalmation Jasper)
Peralkaline Rock with Feldspar and Arfvedsonite
igneous
Dyed Dalmatian Stone
Aplite (Alkali-feldspar granite) with Arfvedsonite
igneous
Quartz
SiO2
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz crystals on matrix
Silicon dioxide (SiO2)
mineral
Sulemani Hakik (Eye Agate)
Chalcedony (SiO2)
gemstone
Clear Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
K-Feldspar (Potassium Feldspar)
Orthoclase / Microcline (KAlSi3O8)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss and Igneous Rock Collection
Foliated Metamorphic Rock (Gneiss) / Igneous Rocks
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Calcite (with iron oxide staining)
Calcium Carbonate (CaCO3)
mineral
Glacial Erratic Boulder (Sandstone / Granite)
Glacial Erratic / Sandstone (SiO2 dominated)
sedimentary