Granite
Granite (Phaneritic Igneous Rock)
Category
Browse carved stone specimens identified by the Rock Identifier community.
Granite
Granite (Phaneritic Igneous Rock)
Labradorite (Carved)
(Ca, Na)(Al, Si)4O8
Sandstone
Sedimentary Rock (Quartz arenite)
Hemimorphite or Red Quartz
SiO2 (Quartz) / Zn4Si2O7(OH)2·H2O (Hemimorphite)
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
Granite
Phaneritic Felsic Igneous Rock
Unakite
Unakite (Epidotized Granite)
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Polished carnelian agate
Carnelian, a red-orange variety of chalcedony (microcrystalline quartz, SiO₂)
Polished green stone, likely serpentine or nephrite jade
Serpentine-group minerals (commonly antigorite/lizardite) or nephrite, a fibrous tremolite–actinolite aggregate
Granodiorite
Phaneritic intrusive igneous rock (intermediate composition)
Granite
Granite
Tumbled tiger’s-eye
Quartz (SiO₂) with crocidolite-derived fibers and iron oxides
Hag Stone
Perforated Flint or Limestone
Snowflake Obsidian
Obsidian with Cristobalite inclusions
Sodalite
Na4Al3(SiO4)3Cl (Sodium Aluminum Silicate Chloride)
Diorite (River Cobble)
Phaneritic Intermediate Plutonic Rock
Granite
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8)
Green Banded Calcite
Calcium Carbonate (CaCO3)
Carnelian
Silicon dioxide with iron oxide inclusions (SiO2)
Sandstone
Sedimentary Rock (Quartzose Sandstone)
Sandstone
Clastic sedimentary rock (quartz arenite)
Granodiorite
Granodiorite (containing quartz, plagioclase, and biotite/hornblende)
Granite
Granite (Phaneritic igneous rock consisting of Quartz, Feldspar, and Mica)
Granite
Phaneritic intrusive igneous rock
Granite
Granite (Mainly Quartz, Feldspar, and Mica)
Pink Granite
Phaneritic Felsic Igneous Rock
Quartzite
Metamorphic Quartzite (SiO2)
Zebra Jasper
Tetragonal Silicon Dioxide (Quartz) with impurities
Petoskey Stone
Hexagonaria percarinata
Kiwi Jasper
Microcrystalline Quartz with Amazonite and Tourmaline
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
Howlite
Hydrated calcium borosilicate, Ca2B5SiO9(OH)5
Banded Calcite (Green Onyx)
Calcite (CaCO3)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Yellow Aventurine (or Citrine-colored Quartz)
Silicon Dioxide (SiO2) with inclusions
Granodiorite
Granodiorite
Granodiorite
Granodiorite (intermediate plutonic rock)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Granodiorite Pebble
Granodiorite (containing Quartz, Plagioclase Feldspar, and Biotite/Amphibole)
Tiger's Eye
Silicon Dioxide (Quartz pseudomorph after crocidolite) - SiO2