Serpentine
Antigorite, Lizardite, or Chrysotile (Mg,Fe)3Si2O5(OH)4
Category
Browse carved stone specimens identified by the Rock Identifier community.
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg,Fe)3Si2O5(OH)4
Carnelian Agate
Chalcedony (SiO2 with Iron Oxide impurities)
Carnelian
Carnelian (SiO2)
Amazonite
Potassium Feldspar (KAlSi3O8) with lead impurities
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Jasper (Mookaite / Brecciated Jasper)
Microcrystalline Quartz (SiO2 with iron oxide inclusions)
Serpentine
Serpentinite (composed primarily of Mg3Si2O5(OH)4)
Red Jasper (with Quartz veining)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
Sandstone
Arenite (primarily SiO2)
Yellow Aventurine
Quartzite with Muscovite/Sericite inclusions (SiO2 + KAl2(AlSi3O10)(OH)2)
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Jasper
Jasper (Silicon Dioxide, SiO2)
Amazonite
Amazonite (KAlSi3O8 - a variety of Microcline Feldspar)
Serpentinite
Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, and Chrysotile, (Mg,Fe)3Si2O5(OH)4)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Tiger's Eye / Hawk's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Serpentinite
Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, or Chrysotile)
Unakite (Epidotized Granite)
Epidote-Feldspar-Quartz Rock
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentine (Serpentinite)
Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Greenstone
Greenschist-facies basaltic rock
Serpentinite
Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4
Hematite
Iron Oxide (Fe2O3)
Carnelian Agate
Carnelian (Silicon Dioxide: SiO2) with iron oxide impurities
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Red Jasper
Silicon dioxide (SiO2) with hematite (Fe2O3) inclusions
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2AlSi3O10(OH)2)
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Carnelian
SiO2 (Silicon Dioxide, variety of Chalcedony)
Granite
Granite (Felsic intrusive igneous rock)
Granite
Granite
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4
Yellow Jasper
Silicon Dioxide (SiO2) with Ferric Hydroxide impurities
Basalt
Extrusive Igneous Rock
Green Sheen Obsidian
Volcanic Glass (SiO2 with microscopic inclusions)
Jade Ring
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Prehnite
Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2
Lavender Jadeite
Jadeite ($NaAlSi_2O_6$)