Green Aventurine
Quartz (SiO2) with fuchsite inclusions
Category
Browse carved stone specimens identified by the Rock Identifier community.
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
Unakite
Altered granite (Epidotized granite)
Tumbled Onyx / Black Chalcedony
Silicon Dioxide (SiO2)
Banded Serpentinite (Beach Pebble)
Serpentine-group silicate rock ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Fe,Al)2O5(OH)4)
Hematite Nodule
Hematite (Fe2O3)
Jasper and Quartz Breccia
Silica breccia (SiO2)
Carnelian
SiO2 (Silicon Dioxide) - Translucent Chalcedony
Polished fossiliferous stone egg, likely fossiliferous limestone or marble
Unidentified carbonate rock; likely calcite-rich limestone (CaCO₃), possibly fossil-bearing
Red Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Red Jasper
Microcrystalline Quartz (SiO2) with Hematite inclusions
Marble
Recrystallized Calcite (CaCO3) / Marble
Diorite (Dalmatian Stone variant)
Phaneritic Plutonic Igneous Rock (Medium to Fine-grained Diorite)
Satin Spar Gypsum (Satin Spar Selenite tower)
Gypsum (CaSO4·2H2O)
White Quartz Star-cut crystal
Silicon Dioxide (SiO2)
Red Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Matrix Opal (Cantera Opal in Rhyolite)
Hydrated Amorphous Silica (SiO2·nH2O) in Rhyolite/Jasper Matrix
Precious Coral
Corallium rubrum
Icy Jadeite (Jade Bangle)
Jadeite, NaAlSi2O6 (Pyroxene group)
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
Carnelian
Silicon Dioxide (Chalcedony), SiO2
Flower Agate
Chalcedony (SiO2)
Green Spot Jasper (Kiwi Jasper / Sesame Jasper)
Partially altered granitic rock rich in quartz, microcline feldspar, and tourmaline or amphibole inclusions
Granite
Phaneritic Intrusive Igneous Rock (Granite)
Sandstone
Sandstone (Arenite)
Diorite
Phaneritic plutonic rock (dominated by plagioclase feldspar and hornblende)
Clear Quartz Figurine
Silicon Dioxide (SiO2)
Black Obsidian Carving
Volcanic Glass (Amorphous Silicon Dioxide)
Hematite
Iron(III) oxide (Fe2O3)
Granite
Granite (Felsic Plutonic Rock)
Granite (Leucogranite)
Felsic Plutonic Rock (Granite)
Granite
Granite (Silicic Plutonic Rock)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Diorite (Salt and Pepper Rock)
Diorite
Granite
Phaneritic Felsic Igneous Rock
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 principal composition)
Granite
Phaneritic intrusive igneous rock (composition: Quartz, Feldspar, Mica)
Ruby in Zoisite
Anyolite
Sandstone
Arenite (SiO2 composition dominant)