Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Sandstone (Ferruginous Concretion)
Arenite (with iron oxide cement)
sedimentary
Sandstone
Quartz Arenite
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (High Silica / Iron Oxide)
sedimentary
Granite
Granite
igneous
Sandstone
Arenite (SiO2 based)
sedimentary
Volcanic Tuff (Breccia)
Pyroclastic Tuffaceous Rock
igneous
Granite
Phaneritic plutonic igneous rock (SiO2 range 65-75%)
igneous
Granite
Phaneritic Plutonic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Red Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5) with Red Dye
mineral
Polished serpentinite pebble
Serpentinite; primarily serpentine-group minerals (Mg3Si2O5(OH)4), with possible magnetite and talc
metamorphic
Green Aventurine (or Xiuyan Jade / Serpentine)
Silicon Dioxide (SiO2) with Fuchsite inclusions or Magnesium Silicate
metamorphic
Diorite (Salt and Pepper Rock)
Diorite
igneous
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Granite
Phaneritic Plutonic Igneous Rock (composed of Quartz, Feldspar, and Mica)
igneous
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Carnelian
SiO2 (Quartz variety)
gemstone
Dalmation Jasper (or Dalmation Stone)
Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)
igneous
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2
mineral
Diorite (River Cobble)
Intermediate plutonic igneous rock
igneous
Sandstone (with Calcite or Silica veins)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Black Onyx
Silicon Dioxide (SiO2)
mineral
Green Aventurine
SiO2 (Quartz with Fuchsite inclusions)
mineral
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Black Onyx
Silicon Dioxide (SiO2) with parallel banding
mineral
Bloodstone
Chalcedony (Quartz)
Mineral
Carved nephrite jade thumb ring/seal
Nephrite jade: fibrous amphibole aggregate, chiefly tremolite–actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂
metamorphic
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Red Jasper (Polished Point Pendant)
Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)
mineral
Granite
Granite (Felsic intrusive igneous rock)
igneous
Granite
Phaneritic Plutonic Rock (primarily Quartz, Feldspar, and Mica/Amphibole)
igneous
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Limestone
CaCO3 (principally composed of Calcite)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Rose Quartz
Silicon dioxide (SiO2)
mineral
Tumbled greenstone / serpentine pebble
Serpentinite, dominated by serpentine-group minerals (Mg₃Si₂O₅(OH)₄)
metamorphic
Red Tiger's Eye
SiO2 (Silicon Dioxide with iron inclusions)
mineral