Mineral (Found In Igneous And Metamorphic Rocks)

Olivine (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Pyrite (on Quartz matrix)

Iron Disulfide (FeS2)

Fluorite (Green Fluorite)

Calcium Fluoride (CaF2)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Biotite Schist

Biotite Schist (predominantly K(Mg,Fe)3AlSi3O10(OH,F)2)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite inclusions

Clear Quartz

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Fuchsite

K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Quartz (Clear/White)

Silicon Dioxide (SiO2)

Milky Quartz (Water-Worn Pebble)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Quartz (Silicon Dioxide) - SiO2

Mixed Mineral Specimens

Mixed Silicates, Oxides, and Phosphates (SiO₂, Ca₅(PO₄)₃(F,Cl,OH), Na₈Al₆Si₆O₂₄Cl₂, etc.)

Quartz (Milky/Gray variety)

Silicon Dioxide (SiO2)

Smoky Quartz

Quartz (SiO₂)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

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

Banded Agate (Pink/Peach Chalcedony)

Agate (Silicon Dioxide, SiO2)

Quartz (Milky/Common Quartz)

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Pyrite

Pyrite (FeS2)

Quartz (Milky/Bull Quartz)

Silicon Dioxide (SiO2)

Fuchsite

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Garnet (likely Almandine)

Almandine - Fe3Al2(SiO4)3

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Aventurine

Silicon Dioxide (SiO2 with inclusions of Fuchsite mica)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Gneiss

Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)

Gold Nugget

Native Gold (Au)

Fuchsite (Green Muscovite in Quartz)

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO₂)

Peridot and Citrine Gemstones (in a ring setting)

Peridot (Olivine: (Mg,Fe)2SiO4), Citrine (Quartz: SiO2)

Quartz (likely macrocrystalline variety)

Quartz (SiO₂)

Kyanite (in Schist Matrix)

Kyanite (Al2SiO5)