Carved Stone

Sandstone (Quartzose)

Arenite (primarily SiO2)

Blue Goldstone

Man-made glass with cobalt and metal flecks

Septarian Nodule (Polished)

Septarian concretion (Calcite, Aragonite, Limestone)

Sandstone (likely Siltstone or fine-grained Sandstone)

Sedimentary Rock (Clastic)

Sandstone (likely Ferruginous)

Sandstone (SiO2 with iron oxides)

Granite

Granite (composed of Quartz, Felspar, and Mica)

Zebra Jasper

Tektite variety of Silicon Dioxide (SiO2) with inclusions

Limestone

Calcium Carbonate (CaCO3)

Oolitic Limestone

Oolite (Sedimentary Calcium Carbonate)

Diorite (with Salt-and-Pepper Texture)

Diorite (Intrusive Igneous Rock)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Unakite Mushroom Carving

Altered Granite (Epidote, Pink Orthoclase Feldspar, and Quartz)

Milky quartz pendant

Quartz (silicon dioxide, SiO₂)

Nephrite Jade

Ca2(Mg,Fe)5Si8O22(OH)2

Soapstone Figurine

Steatite

Unakite

Granite composed of pink orthoclase feldspar, green epidote, and colorless quartz

Greenschist / Serpentinite

Metamorphic rock rich in chlorite/actinolite/serpentine

Moss Agate

Silicon Dioxide (SiO2) with inclusions

Rhodonite

Inosilicate (Manganese Iron Magnesium Calcium Silicate, (Mn,Fe,Mg,Ca)SiO3)

Anyolite (Ruby in Zoisite)

Metamorphic rock composed primarily of green Zoisite (Ca2Al3(Si2O7)(SiO4)O(OH)), red Ruby (Al2O3:Cr), and black Tschermakite

Serpentinite

Serpentinite (Mg3Si2O5(OH)4)

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

Granite

Phaneritic Felsic Igneous Rock (Granite)

Turritella Agate (Calligrapher Stone)

Silicified Elimia tenera (Chalcedony/Quartz)

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

Dalmatian Stone

Dalmatian Jasper / Aplite

Dalmatian Stone

Dalmatian Stone (a peralkaline igneous rock consisting of Feldspar, Quartz, and Arfvedsonite)

Sandstone

Clastic Sedimentary Rock

Granite

Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Sandstone

Arenite (primarily SiO2)

Diorite

Diorite (plutonic igneous rock)

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

Red Jasper

Silicon Dioxide (Microcrystalline Quartz), SiO2

Sandstone

Clastic sedimentary rock (Quartz arenite or arkose)

Blue Onyx (Dyed Agate/Chalky Chalcedony)

Silicon Dioxide (SiO2) with artificial pigment