Hematite Ball
Iron(III) oxide (Fe2O3)
mineral
Category
Sedimentary And Igneous
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Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
igneous
Quartz River Rock
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Magnetite / Hematite (Iron Ore)
Magnetite (Fe3O4) or Hematite (Fe2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Point
Silicon Dioxide (SiO2)
mineral
Banded Agate
Chalcedony (Silicon Dioxide, SiO2)
sedimentary
Gneiss
Gneiss
metamorphic
Chalcedony (Tumbled Agate/Jasper)
Silicon dioxide (SiO2)
sedimentary
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Milky Quartz/White Quartz
Silicon Dioxide (SiO2)
mineral
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
mineral
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
SiO2 (Silicon Dioxide)
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
mineral
Pyrite and Quartz Agglomerate
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Pyrite (FeS₂)
Mineral
Dalmation Stone (Dalmation Jasper)
Peralkaline Rock with Feldspar and Arfvedsonite
igneous
Dyed Dalmatian Stone
Aplite (Alkali-feldspar granite) with Arfvedsonite
igneous
Quartz on Host Rock
Silicon Dioxide (SiO2)
Mineral Specimen
Pyrite
Pyrite (FeS₂)
Mineral
Dalmatian Stone
Dalmatian Stone (a variety of aplite)
igneous
Dalmatian Jasper
Peralkaline rhyolite
igneous
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
igneous
Conglomerate with Quartz Inclusions
Conglomerate (clastic sedimentary rock) with internal Quartz (SiO2)
sedimentary
Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
igneous
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Disulfide (FeS2)
Mineral