Brown Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
Learn about Carved Stone in the encyclopedia
View all →
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Tiger's Eye
Quartz (chalcedony) with crocidolite inclusions, SiO2
mineral
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions
igneous
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Agate
SiO2
mineral
Anthracite Coal
Anthracite (Carbon-rich Sedimentary Rock)
sedimentary
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate) - a variety of Microcline Feldspar
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Hematite
Hematite (Fe2O3)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Carnelian / Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
SiO2 (Silicon Dioxide) with traces of titanium, manganese, or iron
mineral
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (Potassium Feldspar)
mineral
Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
igneous
Amazonite
KAlSi3O8 (Potassium Feldspar, variety of Microcline)
Mineral
Boxwork or Septarian Concretion
Septarian nodule / Boxwork weathering
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.
Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.
mineral
Halite
Halite (Sodium Chloride, NaCl)
mineral
Jasper
Silicon Dioxide (SiO2) - a variety of Chalcedony (Cryptocrystalline Quartz)
Mineral
Serpentine Jade (New Jade/Bowenite)
Antigorite (Mg3Si2O5(OH)4)
metamorphic
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Metamorphic
Clear Quartz (Carved Dragon)
Quartz (Silicon Dioxide, SiO2)
mineral
Lapis Lazuli
Rock composed mainly of lazurite ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2), calcite, and pyrite
metamorphic
Blue Lace Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Lapis Lazuli
Complex metamorphic rock containing Lazurite ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2), Calcite, and Pyrite
metamorphic
Tiger's Eye
Silica (Quartz) pseudomorph after Crocidolite (SiO2)
metamorphic
Tiger's Eye
Silicon Dioxide (SiO2) with Limonite/Goethite pseudomorphs after Crocidolite
Mineral
Obsidian
Obsidian (Volcanic Glass, SiO2 + impurities)
igneous
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Unakite
Altered Granite (Epidotized Granite)
metamorphic
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Septarian Nodule
Septarian Concretion (Calcite, Aragonite, Limestone, and Barite)
sedimentary
Nephrite Jade
Tremolite-actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)
metamorphic
Anthracite Coal
Anthracite coal (High-rank coal)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral