Sedimentary And Metamorphic Minerals

Potassium Feldspar

Orthoclase (KAlSi3O8)

Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)

Quartz (SiO₂ - Silicon Dioxide)

Jade

There are two distinct minerals commonly known as Jade: Jadeite (NaAlSi2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the appearance, these spheres are likely Nephrite.

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Magnetite

Magnetite (Fe3O4)

Arsenopyrite in Quartz Matrix

Arsenopyrite (FeAsS) with Quartz (SiO2)

Schist (Garnet-Mica Schist)

Garnet-Mica Schist

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Pebble (likely Sandstone or Granitic Pebble)

Clastic Sediment (or specific rock type, e.g., Arenite, Granitoid Pebble)

Quartz Vein in Host Rock (Likely Slate or Shale)

Hydrothermal Quartz (SiO2) in Pelitic host rock

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Galena

Lead Sulfide (PbS)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Yellow Calcite

Calcium Carbonate (CaCO3)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky/Common Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Pyrite

Pyrite (Iron Disulfide), FeS2

Ruby Fuchsite / Ruby in Fuchsite

Ruby (Al2O3 variety corundum) and Fuchsite (K(Al,Cr)2AlSi3O10(OH)2 - a chromium-rich variety of muscovite mica) in Quartz matrix

Peacock Ore (Chalcopyrite)

Chalcopyrite (CuFeS2)

Schist

Mica Schist

Ironstone Concretion (Moqui Marble Type)

Goethite/Hematite-cemented Sandstone Concretion

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Quartz (likely Clear Quartz or Rock Crystal)

Quartz (SiO2)

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)