Mineral (Tectosilicate)

Herkimer Diamond (Quartz)

Silicon Dioxide (SiO2)

Chalcedony with Druzy Quartz Geode

Silicon Dioxide (SiO2)

Sodalite

Sodalite, Na8(Al6Si6O24)Cl2

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

Orange Quartz (Citrine Quartz)

Silicon Dioxide (SiO2) with iron impurities

Citrine Quartz Geode

Silicon Dioxide (SiO2) with iron impurities

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Zoisite with Ruby / Anyolite

Anyolite (Ca2Al3(SiO4)3(OH) with Chromian Zoisite and Tschermakite inclusions)

Amethyst (Quartz variety)

Silicon Dioxide (SiO2) with iron impurities

Azurite-Malachite (often called Azerite Malachite or Azurmalachite)

Azurite (Cu3(CO3)2(OH)2) and Malachite (Cu2CO3(OH)2)

Pyrite

Iron Sulfide (FeS2)

Hematite (beads)

Hematite (Fe₂O₃)

Beryllonite

Beryllonite (NaBePO4)

Moss Agate

Silicon Dioxide (SiO2) with mineral inclusions

Moss Agate

Silicon dioxide (SiO2) with mineral inclusions

Included Quartz (Garden Quartz / Lodolite)

Quartz (SiO2) with various mineral inclusions

Beryl (Emerald variety in host rock)

Be3Al2(SiO3)6 (Silicate mineral)

Garden Quartz (Phantom Quartz)

Silicon Dioxide (SiO2) with various inclusions (often Chlorite, Hematite, or Iron)

Red Sandstone

Arenite (with Iron Oxide / Hematite staining)

Red Sandstone

Arenite (Ferruginous Sandstone)

Jasper containing epidote (Unakite-like)

Epidotized Jasper (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Red Sandstone

Arenite with Iron Oxide (Hematite) cement

Sandstone (Ferruginous)

Arenite with Iron-Oxide Cement (primarily SiO2 with Fe2O3/FeOOH)

Lepidolite

K(Li,Al)3(Al,Si)4O10(F,OH)2 (Lithium-bearing phyllosilicate)

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)

Basalt with Quartz/Zeolite Inclusions

Porphyritic Basalt (SiO2 with Aluminosilicates)

Red Sandstone Pebble

Arenite with Hematite (Fe2O3) cement

Malachite

Copper Carbonate Hydroxide [Cu2CO3(OH)2]

Red Sandstone

Arenite (with Iron Oxide pigmentation)

Chatoyant Quartz (Cat's Eye Quartz)

Silicon Dioxide (SiO2) with fibrous inclusions of Amphibole or Rutile

Granite

Granite (dominated by Quartz, Alkali Feldspar, and Plagioclase)

Amygdaloidal Basalt

Basalt with secondary amygdule minerals (likely Epidote or Chlorite)

Granite

Felsic intrusive igneous rock

Calcite on Matrix

Calcium Carbonate (CaCO3)

Rhodochrosite

Manganese carbonate (MnCO3)

Fossilized Shark Tooth (Otodus obliquus)

Otodus obliquus (Mineral composition: Bio-apatite/Calcium Phosphate replaced by various minerals)

Greenschist / Migmatite

Regional Metamorphic Complex (Facies: Greenschist to Amphibolite)

Granite Pegmatite

Phaneritic Felsic Igneous Rock (Granite)

Satin Spar Gypsum

Calcium Sulfate Dihydrate (CaSO4·2H2O)

Chipped Glass/Plastic Fragment

Silicon dioxide (SiO2) for glass (amorphous) or various polymer compounds for plastic

Lapis Lazuli

Complex mixture of minerals (lazurite, calcite, pyrite, and sodalite); (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic silicate with secondary mineral inclusions)