Hematite
Iron(III) oxide (Fe2O3)
mineral
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Carnelian Agate
Silicon Dioxide (SiO2) - Chalcedony with Iron Oxide impurities
mineral
Quartz / Quartzite
Silicon Dioxide (SiO2)
minerals
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Milky Quartz Mushroom Carving
Quartz (Silicon Dioxide, SiO2)
mineral
Tektite (Indochinite)
Tektite (High-silica natural glass)
igneous
Carnelian (Red Chalcedony)
SiO2 (Silicon Dioxide) with Iron Oxide impurities
mineral
Aventurine
Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)
metamorphic
Green Opal
Hydrated Silica (SiO2·nH2O)
mineraloid
Opalite
Man-made Opalized Glass (Synthetic Glass)
gemstone
Carnelian Agate
SiO2 (Silicon Dioxide) with Iron Oxide impurities
mineral
Carnelian
Red Chalcedony (SiO2)
mineral
Serpentinite
Serpentinite (composed primarily of serpentine group minerals like lizardite, antigorite, and chrysotile)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Carnelian
Carnelian (Silicon Dioxide: SiO2)
mineral
Carnelian Agate
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Carnelian
Carnelian Chalcedony (SiO2)
mineral
Red Jasper (with inclusions)
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)
mineral
Diorite
Intermediate intrusive igneous rock
igneous
Agate (specifically Carnelian or Honey Agate)
Silicon Dioxide (SiO2)
Mineral
Carnelian (a variety of Chalcedony)
SiO2 (Silicon Dioxide with Iron Oxide impurities)
mineral
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
sedimentary
Carnelian
Carnelian (SiO2 with Iron oxide impurities)
Mineral (Chalcedony variety)
Indian Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Carnelian (Carnelian Agate)
Silicon dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Green Jasper (River Pebble)
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Marble
Recrystallized Calcite (CaCO3)
metamorphic
White Marble
Recrystallized Calcite (CaCO3)
metamorphic
Sandstone (clastic)
Clastic Sedimentary Rock (primarily composed of SiO2)
sedimentary
Sandstone (specifically Arkose or Siltstone variant)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Carnelian Agate
Red Chalcedony (SiO2 with Iron Oxide impurities)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Jasper (Green Jasper / Chert)
Silicon Dioxide (SiO2 with inclusions)
mineral
Banded Calcite (Mexican Onyx)
Calcite (Calcium Carbonate, CaCO3)
mineral
Granite
Granite (a plutonic igneous rock composed primarily of quartz and feldspar)
Igneous Rock
Tiger's Eye (variations include Blue or Hawk's Eye)
Silicon Dioxide with Crocidolite inclusions (SiO2)
Metamorphic mineral
Golden Healer Quartz
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Anthracite Coal
Anthracite (Carbon-based sedimentary rock typically classified as metamorphic)
metamorphic