Mineral Based Composite

Slate

Slate (a fine-grained, foliated metamorphic rock). Mineral composition: Primarily composed of mica minerals (muscovite, chlorite, sericite) and quartz, with minor amounts of hematite, pyrite, and other accessory minerals.

Sandstone

Sandstone (lithified quartz arenite, arkose, graywacke, etc. depending on composition)

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Granite Pebble

Granite

Quartz Pebble

Silicon Dioxide (SiO2)

Dalmatian Stone

Dalmatian Stone (formerly called Dalmatian Jasper)

Lapis Lazuli

Complex rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Dalmatian Stone (commonly Dyed)

Dalmatian Jasper (Peralkaline igneous rock)

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Lapis Lazuli

Na8[Al6Si6O24]n(S,Cl,SO4,OH)2

Breciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartz-rich granitic pegmatite

Pegmatite, composed mainly of quartz (SiO₂), feldspar, and minor mica or iron-oxide minerals

Serpentinite

Serpentinite (composed mainly of Serpentine-group minerals: (Mg, Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Shale

Mudstone (composed primarily of clay minerals like kaolinite, illite, and smectite, with quartz and calcite)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Lapis Lazuli

Lapis Lazuli (a rock type, not a single mineral, composed primarily of lazurite, calcite, and pyrite)

Serpentinite

Serpentinite (composed largely of Serpentine minerals such as Lizardite, Antigorite, and Chrysotile: Mg3Si2O5(OH)4)

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone

Sedimentary Rock (Quartz Arenite)

Tumbled red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Brecciated Jasper

Silicon dioxide (SiO2) microcrystalline quartz breccia

Brecciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartz Pebble

Silicon Dioxide (SiO2)

Gabbro

Phaneritic Mafic Plutonic Rock

Chalcedony (Common Agate)

Silicon Dioxide (SiO₂)

Sandstone with Manganese Oxide Patina

Clastic Sedimentary Rock (primarily SiO2)

Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Sandstone (Quartzose Pebble)

Clastic Sedimentary Rock (Litharenite/Quartz arenite)

Quartz-bearing granite or gneiss fragment

Granite/gneiss composed mainly of quartz (SiO₂), feldspar, and minor mica or ferromagnesian minerals

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentine Jade (New Jade/Olive Jade)

Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite

Serpentine

Serpentinite (composed mainly of Group Minerals Antigorite, Chrysotile, and Lizardite; Mg3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of minerals in the serpentine group: (Mg,Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Quartz Pebble

Silicon Dioxide (SiO2)

Tektite

Natural impact glass