Chinese Writing Stone
Porphyritic Basalt (with Andalusite/Feldspar phenocrysts)
igneous
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Petoskey Stone
Hexagonaria percarinata
fossil
Charlevoix Stone
Favosites alpenensis
fossil
Wishing Stone with Quartz Vein
Hydrothermal Quartz Vein in Metasedimentary Matrix (primarily SiO2)
metamorphic
Basalt River Stone
Basalt (Mafic volcanic rock)
igneous
Basalt (Vesicular)
Extrusive Mafic Igneous Rock
igneous
Petoskey Stone (Fossilized Coral)
Hexagonaria percarinata
sedimentary
Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
metamorphic
Petoskey Stone
Hexagonaria percarinata
fossil
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Wood Stone (Dragon Stone variant)
Argillaceous Sedimentary Rock
sedimentary
Mocha Stone (Dendritic Agate)
Silicon Dioxide (SiO2) with Manganese/Iron inclusions
sedimentary
Halite
Halite (Sodium Chloride - NaCl)
Mineral
Wishing Stone (Basalt or Chert with Quartz Veins)
Basalt or microcrystalline Quartz (Chert) with localized hydrothermal Quartz (SiO2) veining
igneous or sedimentary
Porphyritic Andesite
Porphyritic Andesite (Intermediate Volcanic Rock)
igneous
Porphyritic Basalt
Porphyritic Mafic Volcanic Rock
igneous
Basalt (River Stone)
Basalt
igneous
Fossil Coral
Hexagonaria or Rugose Coral (petoskey stone / fossilized rugose or tabulate coral)
fossil
Petoskey Stone
Hexagonaria percarinata
sedimentary
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Moonstone (Feldspar)
Orthoclase feldspar, (K,Na)AlSi3O8
mineral
Quartzite with Iron Inclusions
Metamorphic Silicon Dioxide (SiO2) with impure Limonite/Hematite
metamorphic
Fossiliferous limestone
Calcite-rich limestone (CaCO₃), containing possible fossil or peloidal inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Petoskey Stone
Hexagonaria percarinata
fossil
Elephant Skin Stone
Weathered Dolomitic Limestone
sedimentary
Citrine
Silicon dioxide (SiO2)
mineral
Basalt River Stone
Basalt (Mafic volcanic rock)
igneous
Basalt River Stone
Aphanitic Mafic Volcanic Rock
igneous
Serpentine (Infinite Stone)
Serpentinite (Hydrous magnesium iron silicate)
metamorphic
Basalt River Stone
Basalt (Mafic volcanic rock)
igneous
Oolitic Limestone (Egg Stone)
Oolite (Chemical sedimentary rock, primarily CaCO3)
sedimentary
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
sedimentary
Travertine / Tufa
Calcium Carbonate (CaCO3)
sedimentary
Yellow Quartzite (Iron-stained Quartz)
Silicon Dioxide (SiO2) with iron oxide staining
metamorphic
Wishing Stone (Quartz Vein in Greywacke / Basalt)
Quartz vein in host rock (e.g. Meta-basalt or Greywacke)
metamorphic
Flint / Chert (Hag Stone)
Silicon Dioxide (SiO2)
sedimentary
Petoskey Stone
Hexagonaria percarinata
sedimentary
Calligraphy Stone
Fossiliferous Limestone (containing Hematite and Shells)
sedimentary
Porphyritic Andesite
Andesite
igneous
Sandstone (Nut-stone / Cup-stone artifact)
Quartz Arenite / Worked Sedimentary Rock
sedimentary