Metamorphic Or Igneous With Mineral Inclusion

Pink Quartz (Rose Quartz variant)

Silicon Dioxide (SiO2)

Tumbled Obsidian (possibly Mahogany Obsidian variant)

Volcanic Glass (Amorphous Silicon Dioxide, SiO2)

Quartz (Raw Chunk)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Ruby (Corundum)

Aluminum Oxide (Al2O3) with Chromium traces

Jasper (Red Jasper)

Silicon Dioxide (SiO₂)

Quartz in Matrix

Silicon Dioxide (SiO2)

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Rose Quartz

Quartz (Silicon Dioxide - SiO2) with trace impurities of Titanium, Manganese, or Iron

Carnelian Agate

Chalcedony (SiO2) with iron oxide inclusions

Rough Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Moonstone

Potassium Aluminum Silicate (KAlSi3O8)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz Crystal

Silicon Dioxide (SiO2)

Milky Quartz (among River Rock)

Quartz (Silicon Dioxide, SiO2)

Green Aventurine

Quartzite with Fuchsite (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Rose Quartz

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

Milky Quartz Vein with Matrix

Silicon Dioxide (SiO2)

Orthoclase Feldspar

Potassium aluminum silicate (KAlSi3O8)

Sugilite

KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Pyrite

Iron Sulfide (FeS2)

Gemstone Sand (Mineral Assortment)

Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)

Pyrite

Iron Disulfide (FeS2)

Calcite

Calcium Carbonate (CaCO3)

Pyrite (Cube variety)

Iron Sulfide (FeS2)

Quartz

Silicon Dioxide (SiO2)

Peacock Ore

Bornite (Cu5FeS4)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)

Fossiliferous Limestone with Rugose Coral

Calcite (CaCO3) matrix containing Rugosa (order of extinct solitary and colonial corals)

Lapis Lazuli

Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Green Jasper

Silicon Dioxide (SiO2) with impurities

Black Obsidian

Volcanic Glass (predominantly SiO2, Silicon Dioxide)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Amethyst

Silicon Dioxide (SiO2) containing iron impurities

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Rough Sapphire

Corundum (Al2O3)