Mixed River Pebbles
Clastic Sedimentary Alluvial Deposit / Polymictic Conglomerate Clasts
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Mixed River Pebbles
Clastic Sedimentary Alluvial Deposit / Polymictic Conglomerate Clasts
Orange Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
White Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite in Matrix (likely Quartz or Schist matrix)
Iron Sulfide (FeS2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Calcite
Calcite (Calcium Carbonate - CaCO3)
Quartz
Silicon dioxide (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz
Silicon Dioxide (SiO2)
Quartz (Clear / Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Quartz Crystal Fragment
Quartz (Silicon Dioxide, SiO2)
Apatite
Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
White Zircon
Zircon (Zirconium silicate, ZrSiO4)
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Orange Calcite
Calcium Carbonate (CaCO3)
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Citrine-tinted)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
White Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)