Pyrite
Iron Disulfide (FeS2)
mineral
Category
Sedimentary And Igneous (Mixed)
Browse sedimentary and igneous (mixed) specimens identified by the Rock Identifier community.
Learn about Sedimentary And Igneous (Mixed) in the encyclopedia
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Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Agate
Silicon dioxide (Chalcedony), SiO2
sedimentary
Tumbled Agate
Silicon Dioxide (Chalcedony / Quartz)
gemstone
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Tumbled Agate
Silicon dioxide (SiO2)
sedimentary
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Quartz (Chalcedony/Agate)
Silicon Dioxide (SiO2)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
mineral
Magnetite Orthorthotropic Rock
Magnetite (Fe3O4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Ruby and Sapphire Cluster Ring
Corundum (Al2O3)
gemstone
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (SiO2)
mineral
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Fluorite Carving
Fluorite (Calcium Fluoride, CaF2)
mineral
Polished orbicular stone, likely granite or diorite
Granite–diorite, composed mainly of feldspar, quartz, and dark amphibole/biotite
igneous
Dalmatian Jasper
Peralkaline Rhyolite (composed of Quartz, Feldspar, and Arfvedsonite)
igneous
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Dalmatian Jasper
Peralkaline rhyolite with arfvedsonite inclusions
igneous
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Dalmation Stone
Dalmation Jasper (Igneous microcrystalline quartz with arfvedsonite)
igneous
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz fragment
Silicon Dioxide (SiO2)
mineral
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Gold
Native Gold (Au)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Rhodonite, Gray Moonstone, and White Feldspar Mix
Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)
mineral
Amazonite
K(AlSi3O8)
mineral
Dalmatian Jasper
Dalmatian Stone (Aplite with Arfvedsonite)
igneous
Dalmatian Stone
Aplite (often incorrectly called Dalmatian Jasper)
igneous
Quartz
Silicon Dioxide (SiO2)
mineral