Fuchsite on Quartz
Muscovite (KAl2(AlSi3O10)(OH)2) with Chromium impurities
metamorphic
Category
Mineralish (Variety Of Chalcedony)
Browse mineralish (variety of chalcedony) specimens identified by the Rock Identifier community.
Learn about Mineralish (Variety Of Chalcedony) in the encyclopedia
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Chert (often called Flint or Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Yellow Aventurine
Quartz (SiO2) with inclusions
mineral
Cobaltian Calcite
Cobalt-bearing Calcite (Ca,Co)CO3
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Jasper
Silicon Dioxide (SiO2) - Impure Variety of Chert
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Porphyritic Basalt
Porphyritic Basalt (with Plagioclase phenocrysts)
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Peach Selenite / Orange Gypsum
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
igneous
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Black Opal
Amorphous Hydrated Silica (SiO2·nH2O)
mineral
Sunstone with Moonstone (Peach Moonstone)
Orthoclase Feldspar (KAlSi3O8)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Microcrystalline Silica (SiO2)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Chert or Agate
Silicon Dioxide (SiO2)
sedimentary
Rose Quartz
Rose Quartz (SiO2 - Silicon Dioxide with trace amounts of titanium, iron, or manganese)
mineral
Milky Quartz (Tumbled)
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (specifically Pink/Tan Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Schorl (Black Tourmaline)
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Chert
SiO2 (Microcrystalline Quartz)
sedimentary
Chert (Flint)
Microcrystalline quartz (SiO2)
sedimentary
Rough Garnet in Matrix
Almandine Garnet (Fe3Al2Si3O12)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
Mineral
Snakeskin Jasper
Silicon Dioxide (SiO2) with iron oxide and calcium carbonate inclusions
sedimentary
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
metamorphic
Pink Quartz / Rose Quartz
Silicon Dioxide (SiO2)
mineral