Blue Calcite
Calcite (CaCO3)
Category
Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.
Blue Calcite
Calcite (CaCO3)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Mookaite Jasper
Silicon Dioxide (SiO2) with various mineral inclusions
Carnelian
Carnelian Chalcedony (SiO2 with Iron Oxide impurities)
Quartz Geode
Silicon Dioxide (SiO2)
Jadeite (Jade)
Jadeite (NaAlSi2O6)
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8) with inclusions
Dragon Vein Agate
Silicon Dioxide (SiO2)
Green Calcite
Calcite (Calcium Carbonate, CaCO3)
Ruby (Pink to Red Corundum)
Al2O3 (Corundum with Chromium impurities)
Crazy Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Honey Calcite
Calcium Carbonate (CaCO3)
Mookaite Jasper
Radiolarite (Silicon Dioxide, SiO2)
Raw Emerald (Emerald Beryl)
Beryl (Be3Al2Si6O18) with chromium/vanadium impurities
Chalcedony (Common Agate)
Cryptocrystalline Quartz (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Ruby (Raw Corundum)
Corundum (Al2O3 with Chromium impurities)
Blue Lace Agate
Silicon dioxide (SiO2) - Chalcedony variety
Amethyst (Chevron or Banded variety)
Silicon Dioxide with Iron impurities (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)
Sandstone (with Possible Iron Staining/Crust)
Arenite (SiO2 based)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
Travertine (Tufa)
Chemical Limestone (CaCO3)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Quartz Geode
Crystalline Silicon Dioxide (SiO2) within a geode structure
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Jasper Agate
Silicon dioxide (SiO2)
Ferruginous Sandstone
Sandstone with iron oxide (Hematite/Limonite) cement
Pallasite Meteorite
Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)
Bivalve Fossil (Internal Mold/Steinkern)
Class Bivalvia (Fossilized Mold)
African Turquoise
Jasper / Quartz matrix (Trade name: African Turquoise, chemically a form of microcrystalline quartz with various mineral inclusions)
Spinosaurus Tooth
Spinosaurus aegyptiacus (fossilized in Hydroxyapatite)
Marble
Recrystallized Calcite (CaCO3)
Blue Quartzite
Quartzite (specifically a variety enriched with blue-coloring minerals)