Granite
Granite (Felsic Plutonic Rock)
Category
Browse carved stone specimens identified by the Rock Identifier community.
Granite
Granite (Felsic Plutonic Rock)
Amazonite
Microcline Feldspar (KAlSi3O8)
Diorite
Plutonic Igneous Rock (Intermediate Composition)
Red Sandstone
Arenite (with Iron Oxide)
Amethyst
Quartz, SiO₂; purple variety colored mainly by iron impurities and irradiation
Charnockite
Orthopyroxene-bearing granite (Charnockite)
Dalmatian Jasper (Dalmatian Stone)
Peralkaline Rock with Feldspar and Arfvedsonite
Sandstone (Feldspathic / Arkose)
Sandstone (SiO2 with variable mineral grains)
Polished Agate (Yellow/Grey Agate Pendant)
Silicon Dioxide (SiO2)
Dragon Blood Jasper
SiO2
Garnierite in Matrix
Nickel-bearing Magnesium Silicates (Garnierite)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Red Sandstone
Arenite (SiO2 based with Fe2O3)
Hematite cameo or hematine imitation
Hematite (Fe₂O₃); possibly synthetic hematine or black glass
Granite
Granite (Phaneritic Igneous Rock)
Granite
Phaneritic Felsic Igneous Rock
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
Diorite
Intrusive Igneous Rock (Intermediate Composition)
Granite
Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8), and Mica)
Carnelian Agate
Chalcedony (SiO2)
Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Serpentine
Serpentine group ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al)2O5(OH)4)
Adventurine (Green Quartz)
Silicon Dioxide (SiO2) with Fuchsite inclusions
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide impurities
Granite
Granite (Phaneritic Quartz-Feldspar Rock)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Granite
Granite (Phaneritic Igneous Rock)
Red Breccia Jasper
Silicon Dioxide (SiO2) with hematite and various mineral inclusions
Sandstone (Ferruginous)
Sandstone (SiO2 with FeO(OH) cementing)
Granite
Phaneritic Felsic Igneous Rock
Granite
Granitoid
Granite
Phaneritic Felsic Igneous Rock
Malachite and Cuprite on Host Rock
Cu2CO3(OH)2 (Malachite) and Cu2O (Cuprite)
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Crazy Lace Agate
Silicon Dioxide (SiO2)
Labradorite rough fragment
(Ca,Na)[Al,Si]A̲₁O₈
Jasper
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Variscite (or potentially a turquoise/variscite matrix cabochon, or an impression jasper)
AlPO4·2H2O (Variscite) or related phosphate/silicate material depending on exact composition
White Marble
Recrystallized Calcite (CaCO3)
Yellow Jasper with Red Inclusion
Silicon Dioxide (SiO2) with Iron Oxides