Mineral In A Matrix (Likely Quartz Or Feldspar)

Smoky Quartz with Feldspar

Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)

Gneiss

Gneiss (High-grade metamorphic rock)

Pink Granite (Potassium-rich)

Phaneritic Felsic Igneous Rock (K-Feldspar Granite)

Sandstone (likely Iron-rich or Arkosic)

Arenite (SiO2 with FeO(OH) or Fe2O3 staining)

Quartz Druzy on Matrix (likely Agate or Jasper)

Silicon Dioxide (SiO2) with various mineral inclusions

Quartz (vein quartz)

SiO2 (Silicon Dioxide)

Quartzite (or Ferruginous Quartz)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Porphyry (Flower Stone)

Porphyry (Andesite or Basalt matrix)

Sandstone (with possibly iron oxides and other minerals)

Sandstone

Porphyritic Basalt (Leopard Rock)

Porphyritic Mafic Volcanic Rock

Druzy Quartz on Host Rock

Silicon Dioxide (SiO2)

Beryl (likely Aquamarine) in matrix

Be3Al2(SiO3)6 (Beryllium Aluminum Silicate)

Chert / Flint Conglomerate

Silicified Sedimentary Breccia (primarily SiO2)

Gneiss

Gneiss (a type of metamorphic rock)

Graywacke (River Cobble)

Graywacke (Lithic Sandstone)

Quartz Vein in Host Rock (Breccia/Rhyolite)

Silicon Dioxide (SiO2) with matrix

Basalt with Quartz/Feldspar Inclusion

Basalt (containing Silicate minerals such as SiO2 and (Ca,Na)(Al,Si)4O8)

Pegmatite

Coarse-grained Igneous Rock (Granitic Pegmatite)

Dalmatian Stone (Dalmatian Jasper)

Dalmatian Stone (A variety of Perthite / Aplite)

Conglomerate

Conglomerate (clastic sedimentary rock)

Jasper with Quartz inclusions

Silicon Dioxide (SiO2) - Microcrystalline Chalcedony

Granite Cobble

Granite (Felsic Plutonic Rock)

Sandstone (Greywacke)

Arenite / Wacke (Mainly SiO2 with various lithic fragments)

Basalt with Quartz/Calcite Vein

Amygdaloidal Basalt (matrix) with Mineral Vein filling

Unakite (often traded as Dragon Blood Jasper)

Epidotized Granite

Gold (in Opaque Matrix/Jewelry)

Native Gold (Au)

Granite

Phaneritic plutonic felsic igneous rock

Pink Granite

Felsic Plutonic Rock (primarily Quartz, Potassium Feldspar, and Plagioclase)

Amazonite (Amazon Stone)

Tectosilicate Microcline (KAlSi3O8)

Granite

Felsic Intrusive Igneous Rock

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate (Microcline)

Granite

Phaneritic Igneous Rock (Granite)

Fossilized Shark Tooth in Matrix

Otodus sp. (likely Otodus obliquus)

Quartz (Druzy) in host rock

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

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Quartzite (specifically an iron-stained or Carnelian-colored variety)

Silicon Dioxide (SiO2) with iron oxide inclusions

Brachiopod Fossil in Limestone

Phylum Brachiopoda (likely Order Spiriferida), CaCO3 (Calcite)

Porphyritic Basalt (Chinese Writing Stone)

Porphyritic Basalt or Porphyritic Andesite

Porphyritic Basalt (Chinese Writing Stone)

Porphyritic Basalt with Feldspar Phenocrysts

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate

Druzy Quartz on Matrix (likely Limestone or Sandstone)

Silicon Dioxide (SiO2) with various trace impurities

Granite Cobble

Granite (Felsic Intrusive)