Mineral (Variety Of Chalcedony)

Banded Agate (Jasper-Agate)

Silicon Dioxide (SiO₂)

Aragonite (Onyx Marble)

Calcium Carbonate (CaCO3), Orthorhombic crystal system

Calcite (Yellow/Orange variety - sometimes called Honey Calcite)

Calcite

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Agate (Chert/Chalcedony)

Silicon Dioxide (SiO2)

Chalcedony (Common Opal variant or Chert/Flint)

Silicon Dioxide (SiO2)

Amethyst Geode Cathedral

Amethyst (Silicon Dioxide - SiO2 with Iron impurities)

Petrified Wood

Silicified Wood (SiO2)

Chalcedony Nodule (Commonly known as Agate or Chert)

Microcrystalline Quartz (SiO2)

Amygdaloidal Basalt with Agate/Chalcedony Infills

Amygdaloidal Basalt (Composition: SiO2 and (Mg,Fe)2SiO4 in matrix; SiO2 in amygdule)

Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)

Mixed Silicates and Oxides (predominantly SiO2 group minerals)

Chert (Nodule)

Chert (composed of Microcrystalline Silica/SiO2)

Ruby and Diamond Heart Pendant

Corundum (Al2O3) and Diamond (C)

Amazonite

Potassium Feldspar (KAlSi3O8)

Nephrite Jade

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

Rose Quartz

Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron

Peridot

Olivine (Mg, Fe)₂SiO₄

Druzy Quartz on Chert/Chalcedony

Silicon Dioxide (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Quartz Geode

Crystalline Silicon Dioxide (SiO2) in Geode form

Dragon Blood Jasper

Epidote with Red Jasper (SiO2 + Ca2(Al,Fe)3(SiO4)3(OH))

Dyed Chalcedony (Agate)

Silicon Dioxide (SiO2) with artificial pigment

Pyrite

Iron Sulfide (FeS2)

Blue Quartz (Dumortierite Quartz)

Silicon Dioxide with Aluminum Borosilicate (SiO2 + AlAl6BSi3O18)

Dendritic Opal

Opalized Chalcedony with Manganese Inclusions (SiO2 · nH2O)

Amazonite

K(AlSi3O8) - Microcline

Blue Chalcedony

Silicon Dioxide (SiO2)

Banded Agate (likely Carnelian Agate or Sardonyx)

Agate is a common name for a microcrystalline variety of Quartz (SiO₂), specifically a form of Chalcedony.

Yellow Agate

Agate (Varietal form of Chalcedony/Quartz, SiO2)

Chalcedony in Host Rock

Silicon Dioxide (SiO2)

Dendritic Agate

Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions

Tree Agate

Dendritic Agate (Silicon Dioxide, SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Dyed Agate

Chalcedony (Silicon Dioxide, SiO2)

Fossilized Coral

Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)

Rough Corundum (Sapphire/Ruby mixture)

Corundum (Aluminum Oxide, Al2O3)

Dalmatian Jasper

Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Petrified Wood

Silicified wood (Quartz/Chalcedony)

Blue Chalcedony

Cryptocrystalline Quartz (SiO2)

Carnelian (Chalcedony)

Cryptocrystalline Quartz (SiO2) with Iron Oxide impurities

Chalcedony (Agate)

Cryptocrystalline Quartz (SiO2)