Fuchsite
K(Al,Cr)_2(AlSi_3O_{10})(OH)_2
Category
Browse carved stone specimens identified by the Rock Identifier community.
Fuchsite
K(Al,Cr)_2(AlSi_3O_{10})(OH)_2
Unakite
Altered granite (Epidote, Pink Orthoclase Feldspar, Quartz)
Red Jasper
Silicon Dioxide (Microcrystalline Quartz) - $SiO_2$
Septarian Nodule (Brown)
Septarian Concretion (Calcite, Aragonite, Limestone, and Barite)
Amazonite
KAlSi3O8 (Potassium Feldspar / Microcline)
Red and White Quartzite
Metamorphic Quartz Sandstone (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Green Quartzite
Metamorphic rock primarily composed of Silicon Dioxide (SiO2) with mineral inclusions like fuchsite or chlorite
Unakite
Altered Granite (Epidotized Granite)
Black Onyx
Silicon Dioxide (SiO2) with parallel banding
Sandstone (likely Graywacke or Arkosic varieties)
Arenite (composed primarily of SiO2)
Granite
Granite (Felsic Plutonic Rock)
Granite
Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)
Granite
Phaneritic Igneous Rock (Granite)
Granite
Granite (Phaneritic Igneous Rock)
Jet
Lignite coal variant (hydrocarbon polymer)
Diorite
Diorite (Intrusive igneous rock)
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Granite
Granite (Felsic Plutonic Rock)
Tuff
Volcanic Tuff
Opalite
Man-made opalescent glass
Granite
Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)
Serpentine
Serpentine Group (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al)2O5(OH)4
Basalt pendant
Basalt; predominantly plagioclase feldspar, pyroxene, and commonly olivine
Granite
Granite (Mainly Quartz SiO2, Alkali Feldspar (K,Na)AlSi3O8, and Plagioclase Feldspar)
Diorite
Intermediate plutonic igneous rock
Chalk (or Soapstone Marking Stick)
Calcium Carbonate (CaCO3) / Hydrous Magnesium Silicate (Mg3Si4O10(OH)2)
Anthracite Coal
Anthracite
Strawberry Quartz (or Sunstone / Tumbled Quartz)
Silicon Dioxide (SiO2) with Hematite/Lepidocrocite inclusions
Unakite
Unakite (Epidotized Granite)
Dalmatian Stone
Dalmatian Stone (formerly called Dalmatian Jasper)
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
Jasper (Ferruginous Quartz)
Silicon Dioxide (SiO2) with iron oxide inclusions
Granite
Granite (composed primarily of Quartz, Plagioclase, Alkali Feldspar, and Biotite/Amphibole)
Red Jasper
Silicon dioxide (SiO2) microcrystalline quartz
Jadeite Jade
NaAl(Si2O6)
Red Jasper (or Agate/Jasper mixture)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Marble (Carrara style)
Recrystallized Calcite-rich Metamorphic Rock (CaCO3)
Carnelian
Silicon dioxide (Chalcedony variety)
Jasper
Microcrystalline quartz (SiO2)
Green Aventurine (Carved)
Silicon Dioxide (Quartz variant) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O(OH)2)