Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites)

Amethyst

Silicon dioxide (SiO2) with iron impurities

Quartz

Silicon Dioxide (SiO₂)

Fluorite

Fluorite (CaF₂)

Pink Opal / Peruvian Opal

Hydrated amorphous silicon dioxide (SiO2·nH2O)

Amazonite (likely mixed with other feldspars/minerals)

Amazonite is a variety of Microcline, which is a tectosilicate mineral, formula KAISi3O8. The mixed beads could include other feldspars or quartz.

Quartz with Mica (likely Muscovite)

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)

Greenschist with Quartz Veining

Greenschist (commonly containing Chlorite, Actinolite, and Epidote)

Fluorite (Durango Fluorite)

Calcium Fluoride (CaF2)

Moss Agate

Silicon Dioxide (SiO2) with inclusions of hornblende, chlorite, or manganese/iron oxides

Tumbled Moonstone and Amazonite Chips

Orthoclase (KAlSi3O8) and Microcline (KAlSi3O8) of the Feldspar Group

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Gneiss (High-Grade Metamorphic Rock)

Gneiss (primarily composed of Quartz, Feldspar, and Mica/Amphiboles)

Chrome Diopside

Diopside (Magnesium Calcium Silicate) - CaMgSi2O6 + Cr

White Jade (Nephrite)

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

Amazonite

Amazonite (KAlSi3O8, a variety of Microcline)

Calcite

Calcite (Calcium Carbonate, CaCO3)

Scoria (Lava Rock)

Scoria (highly vesicular extrusive igneous rock)

Rose Quartz (likely carved)

Rose Quartz (SiO2)

Riverstone (Quartzite/Granite Cobble)

Silicon Dioxide (SiO2) based Quartzite or Silicate-rich Granite

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (SiO₂)

Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)

Quartz (SiO₂)

Basalt with Weathered Rind

Basalt (Aphanitic Mafic Igneous Rock)

Moonstone

Adularia (orthoclase) or Albite (plagioclase), a feldspar mineral (KAlSi3O8 or NaAlSi3O8 respectively, often a mixture)

Sunstone

Plagioclase Feldspar (specifically Oligoclase variety containing hematite or goethite inclusions)", composition: (Ca,Na)(Al,Si)2Si2O8

Banded Agate (specifically Botswana Agate appearance)

Silicon Dioxide (SiO2) - variety of Chalcedony

Black Tourmaline (Schorl)

NaFe3Al6(BO3)3Si6O18(OH)4

Amethyst

SiO2 (Silicon Dioxide)

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Hematite

Iron (III) Oxide, Fe2O3

Amethyst (Quartz)

SiO2 (Silicon Dioxide)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (likely Clear Quartz or Rock Crystal)

Quartz (SiO2)

Hematite

Hematite (Fe2O3)

Andesite

Andesite (Intermediate Extrusive Volcanic Rock)

Rough Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Milky Quartz (Water-worn Pebble)

Quartz (Silicon Dioxide, SiO2)

Quartz

Quartz (SiO₂)

Amethyst

Quartz variety; chemical formula: SiO₂ (silicon dioxide) with Fe³⁺ impurities

Moonstone

Adularia (orthoclase feldspar variety)

River Pebbles (Tumbled Quartz and Basalt)

Silicon Dioxide (SiO2) for white quartz; Mafic Volcanic Rock for basalt