Sandstone (Yellow/Tan)
Clastic sedimentary rock (primarily SiO2 with iron oxide staining)
Category
Browse carved stone specimens identified by the Rock Identifier community.
Sandstone (Yellow/Tan)
Clastic sedimentary rock (primarily SiO2 with iron oxide staining)
Carnelian
Carnelian (Silicon Dioxide, SiO2)
White Marble
Calcite-rich Metasomatized Carbonate (CaCO3)
Jasper
Microcrystalline Quartz (SiO2)
Snowflake Obsidian
Volcanic Glass with Cristobalite inclusions
Chalcedony (Agate/Carnelian)
Silicon Dioxide (SiO2)
Black Obsidian
Amorphous volcanic glass (SiO2 + impurities)
Black Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide) with impurities
Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) with inclusions of Iron Oxide or Chlorite
Amethyst (Rough Crystal)
Silicon Dioxide (SiO2)
Naga Silver-Inlaid Ebony and Bone/Horn Beads
Diospyros (Ebony) or Keratin (Horn) with Silver/White-Metal Inlay
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (Silicon Dioxide: SiO2)
Amazonite
Microcline (K(AlSi3O8))
Blue Calcite
Calcium Carbonate (CaCO3)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Red Jasper (Chalcedony)
Silicon Dioxide (SiO2) with iron oxide inclusions
Rose Quartz
SiO2 (Silicon Dioxide with trace inclusions of Phosphorus, Aluminum, or Titanium)
Sandstone (Ferruginous)
Ferruginous Sandstone (SiO2 with iron oxide cement)
Yellow Jasper (Chert variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Banded Calcite (often sold as 'Mexican Onyx')
Calcite (Calcium Carbonate, CaCO3)
Rose Quartz
Silicon Dioxide (SiO2)
Larimar
Pectolite (a blue variety of Pectolite)
Red Sandstone
Arenite (with Iron Oxide cement)
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
Blue Dumortierite Quartz
AlAl6BSi3O18 (Dumortierite) within SiO2 (Quartz)
Carnelian
SiO2 (Silicon Dioxide) - Translucent reddish-brown variety of Chalcedony
Unakite
Altered Granite (Epidotized Granite)
Tiger's Eye
SiO2 (Quartz pseudomorph after crocidolite)
Chocolate Jasper
Microcrystalline Quartz (SiO2) with impurities
Carnelian (Polished Agate)
Silicon Dioxide (SiO2)
Carnelian
SiO2 (Silicon Dioxide)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Zoisite with Ruby (Anyolite)
Anyolite (Calcium aluminium silicate hydroxide with Corundum)
Tiger's Eye
Silicon Dioxide (SiO2) - Pseudomorph of Quartz after Crocidolite
Tiger's Eye
Tiger's Eye (Pseudomorph of Quartz after Crocidolite), SiO2
Obsidian
Obsidian (Volcanic Glass)
Tiger's Eye
Tiger's eye (Pseudomorph of Quartz after Crocidolite), SiO2
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Mahogany Obsidian
Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions
Mahogany Obsidian
Volcanic glass containing Hematite or Magnetite (SiO2 + Fe2O3)