Fuchsite
Chromian Muscovite, K(Al,Cr)2(AlSi3O10)(OH)2
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Fuchsite
Chromian Muscovite, K(Al,Cr)2(AlSi3O10)(OH)2
Common Opal
SiO2·nH2O (Hydrated Silicon Dioxide)
Malachite
Copper carbonate hydroxide Cu2CO3(OH)2
Amazonite
Microcline (KAlSi3O8) with lead impurities
Rhodonite
Manganese Inosilicate (MnSiO3)
Quartz
Silicon Dioxide (SiO2)
Fuchsite in Quartz
K(Al,Cr)2(AlSi3O10)(OH)2 in SiO2
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Turquoise
Turquoise (Hydrated copper aluminum phosphate, CuAl6(PO4)4(OH)8·4H2O)
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3)
Tumbled lepidolite-rich pegmatite (probable)
Lepidolite, K(Li,Al)3(Si,Al)4O10(F,OH)2, in a granitic pegmatite matrix
Red Sandstone
Arenite (primarily Quartz and Feldspar with Iron Oxide cement)
Malachite
Cu2CO3(OH)2 (Copper Hydroxide Carbonate)
Chert (specifically Silex or Flint)
Microcrystalline Quartz (SiO2)
Rose Quartz
Rose Quartz (SiO2)
Gneiss
Gneiss
Red Jasper
Silicon Dioxide (SiO2) with iron inclusions
Jasper
Silicon dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Jasper)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Jasper (Green Jasper / Moss Agate variety)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide) - SiO2
Quartz Crystal
Silicon Dioxide (SiO2)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Pyrite
Pyrite (Iron sulfide, FeS₂)
Banded Sandstone (Water-worn Pebble)
Arenite with mineral banding
Red Jasper
Silicon Dioxide (Microcrystalline Quartz) - $SiO_2$
Jasper
Silicon Dioxide (SiO2)
Chert or flint nodule
Microcrystalline quartz (SiO₂), commonly chalcedony with possible opaline silica
Red Jasper
SiO2 (Silicon Dioxide) with Fe2O3 (Hematite)
Yellow Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Chert (and associated Flint)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Quartz
Silicon dioxide (SiO2)
Chert (and Jasper/Flint variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Gold-bearing Quartz
Native Gold (Au) in Quartz (SiO2) matrix
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Gold
Native Gold (Au)
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3