Scoria (Vesicular Basalt)
Scoria (Extrusive Mafic Igneous Rock)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Scoria (Vesicular Basalt)
Scoria (Extrusive Mafic Igneous Rock)
Pyrite (on Shale/Matrix)
Iron Disulfide (FeS2)
Biotite Mica
K(Mg,Fe)3AlSi3O10(OH)2
Chrysocolla in Matrix
Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Gneiss
Gneiss
Pyrite
Iron Sulfide (FeS2)
Lazulite
Lazulite (Mg,Fe2+)Al2(PO4)2(OH)2
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
Quartz River Rock
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Magnetite / Hematite (Iron Ore)
Magnetite (Fe3O4) or Hematite (Fe2O3)
Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Point
Silicon Dioxide (SiO2)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon dioxide (SiO2)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz/White Quartz
Silicon Dioxide (SiO2)
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony (Agate)
Silicon Dioxide (SiO2)
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
Charoite
(K,Sr,Ba,Na)15-16(Ca,Na)32[Si6O11(O,OH)2]2[Si12O18(O,OH)6]2[Si17O25(O,OH)18]2(OH,F)4 · nH2O
Molybdenite in Quartz
Molybdenite (MoS2) with Quartz (SiO2)
Native Gold Nugget
Native Gold (Au)
Rose Quartz
Silicon dioxide (SiO2)
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn%,Fe%,Mg,Ca)SiO₃
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Diabase (Greenstone)
Diabase (also known as Dolerite)
Granite
Granite (Felsic Plutonic Rock)
Milky Quartz
Silicon Dioxide (SiO2)
Limonite with Galena
FeO(OH)·nH2O (Limonite) and PbS (Galena)
Dalmatian Jasper
Dalmatian Stone (comprised of Feldspar, Quartz, and Arfvedsonite)
Clear Quartz
Silicon Dioxide (SiO2)