Mixed Mineral Bead Bracelet
Polycrystalline and Monocrystalline Silicates/Oxides (Quartz, Howlite, Hematite)
gemstone
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
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Quartz with Mica (Muscovite/Biotite)
Silicon Dioxide (SiO2) with Phyllosilicate inclusions
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Moqui Marbles
Iron Oxide Concretion (Hematite/Goethite)
sedimentary
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
gemstone
Sphalerite with Galena and Calcite / Quartz display specimens
Zinc Iron Sulfide (Zn,Fe)S with Quartz (SiO2) / Aquamarine / Fluorite
mineral
Gold Nugget
Native Gold (Au)
mineral
Magnetite (Charnockite Regional Variation)
Magnetite (Fe3O4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite Concretion
FeO(OH)qnH2O (Hydrated iron(III) oxide-hydroxide mixture)
sedimentary
Bornite (Peacock Ore)
Cu5FeS4 (Copper Iron Sulfide)
mineral
Shungite
Shungite (carbon-rich Precambrian rock)
mineral
Shungite
Shungite (Amorphous Carbon)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Si,Al)3O8
mineral
Pyrite in Quartz
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
mineral
Gold Nugget
Gold (Au)
mineral
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Pyrite Sun
Iron Sulfide (FeS2)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Cassiterite in Iron-rich Matrix
Cassiterite (SnO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH)2)
mineral
Aventurine
Silicon Dioxide (SiO2 with inclusions of Fuchsite mica)
mineral
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
Native Gold (in earring form)
Gold (Au)
mineral
Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Specular Hematite
Specularite (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite (Botryoidal / Kidney Ore)
Iron Oxide (Fe2O3)
mineral
Basalt
Mafic Igneous Rock (composed primarily of plagioclase feldspar and pyroxene)
igneous
Schist
Mica Schist (Metamorphic Rock)
metamorphic
Red Hematite (Banded Iron Formation)
Hematite (Fe2O3)
mineral