Gold Nugget
Native Gold (Au)
mineral
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Igneous Associated Mineral in the encyclopedia
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Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS)
mineral
Schist
Mica Schist
metamorphic
Weathered Pyrite Nodule
Iron Sulfide (FeS2) undergoing oxidation to limonite/goethite
mineral
Likely quartz-bearing mineral aggregate
Quartz (SiO₂), possibly mixed with mica or feldspar
mineral
Gneiss
Gneiss
metamorphic
Schist
Chlorite/Mica Schist
metamorphic
Quartz Chip
Silicon Dioxide (SiO2)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Dalmatian Stone (Dalmation Jasper)
Aplite with Arfvedsonite inclusions
igneous
Banded Gneiss
Gneiss (pronounced "nice")
Metamorphic Rock
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
Quartz Pebble
Silicon dioxide (SiO2)
sedimentary
Unakite
Epidotized Granite
metamorphic
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Beryl (likely Aquamarine or Green Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Gneiss
Metamorphic Gneiss
metamorphic
Native American Hammerstone / Pitted Stone
Modified lithic artifact (often quartzite, basalt, or granite)
artifact / sedimentary or igneous rock
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Quartz (SiO₂)
Mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Fluorite (likely Fluorite on Quartz/Matrix)
Calcium Fluoride (CaF2)
mineral
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Gneiss
Metamorphic Gneiss
metamorphic
Blue Apatite
Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)
mineral
Dalmation Jasper
Dalmation Stone (perthitic feldspar with arfvedsonite)
igneous
Gold-bearing Quartz
Auriferous Quartz (SiO2 with native Au)
mineral
Howlite (tumbled stone)
Howlite, Ca₂B₅SiO₉(OH)₅
mineral
Botryoidal Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Howlite (Tumbled)
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Banded Gneiss
Banded Gneiss (Metamorphic Rock)
metamorphic
Milky Quartz with Tourmaline and Iron Oxides
Silicon Dioxide (SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral