Synthetic Polymer (Synthetic Material)

Shale or Slate with Quartz Veins

Shale (fine-grained clastic sedimentary rock) or Slate (low-grade metamorphic rock formed from shale) with Quartz (SiO2) veins

Zircon

Zircon (ZrSiO4)

Quartz (likely Jasper or Chert variety)

Quartz (SiO₂)

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

K2 Azurite Granite / K2 Stone

Granite (igneous rock) with Azurite inclusions (mineral)

Mixed Gemstone Beaded Jewelry

Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)

Aventurine

Aventurine Quartz (SiO2 with inclusions)

Quartzite

Quartzite (primarily SiO2)

Banded Jasper (Chert)

Silicon Dioxide (SiO2) - variety of Chalcedony

Agate (or Banded Agate)

Agate (a variety of Chalcedony, which is a cryptocrystalline form of Quartz); Chemical Formula: SiO₂ (Silicon Dioxide)

Pebble (likely Quartzite or Chert)

Clastic Sediment, potentially composed of SiO₂ (Quartz)

Clear Quartz (or Rock Crystal)

Quartz (SiO₂ - Silicon Dioxide)

Fuchsite Quartzite

Fuchsite-bearing Quartzite

Quartz with Iron Stains

Quartz (SiO2) with iron oxide/hydroxide staining

Granite

Granite (a plutonic igneous rock)

Amethyst Geode/Cluster

Quartz (SiO2) - variety Amethyst

Quartz (likely Milky Quartz or Chalcedony)

Quartz (SiO2 - Silicon Dioxide)

Quartzite

Quartzite (SiO2)

Rutilated Quartz

SiO2 (Quartz) with TiO2 (Rutile inclusions)

Sunstone and Green Aventurine

Sunstone: (Ca,Na)[(Al,Si)2Si2O8] (Plagioclase Feldspar Group); Green Aventurine: SiO2 (Quartz)

Red Jasper (beads)

Silicon Dioxide (SiO2) with iron inclusions

Quartz

Quartz (SiO₂)

Chalk

CaCO3 (primarily Calcium Carbonate), biogenic sedimentary rock

Green Aventurine and Clear Quartz

Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)

Hematite

Hematite (Fe2O3)

Serpentinite (Serpentine Rock)

Serpentinite is a rock composed of one or more serpentine group minerals, chiefly antigorite, chrysotile, and lizardite, with the general formula (Mg,Fe)3Si2O5(OH)4. Often includes other minerals like magnetite, talc, and chromite.

Puddingstone (Jasper Conglomerate)

Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)

Quartz (Druzy) in host rock

SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)

Calcite

Calcite (CaCO3)

Quartz

Quartz (Silicon Dioxide - SiO2)

Soapstone

Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)

Granite

Granite (a plutonic igneous rock composed of quartz, feldspar, and mica)

Dolomite

Dolomite (CaMg(CO3)2)

Botryoidal Chalcedony with Calcite

Chalcedony (SiO2 with accessory minerals, likely CaCO3)

Blue Chalcedony and Picture Jasper Beads

Blue Chalcedony (SiO2), Picture Jasper (SiO2)

Quartz (in a rock matrix)

Quartz (SiO2)

Sandstone

Sandstone (composed primarily of sand-sized minerals or rock grains)

Jasper (likely a variety of Brecciated Jasper or a patterned variety)

Silicon dioxide (SiO2)

Quartz (chalcedony variety) or Limestone with Quartz Veins

SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)

Clear Quartz (or Rock Crystal)

Quartz (SiO₂)

Conglomerate

Conglomerate

Quartz

Quartz (SiO₂)