Anthracite Coal
Anthracite (a variety of coal, predominantly carbon)
Sedimentary Rock (Metamorphosed)
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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Amethyst
Amethyst (variety of Quartz, SiO2)
mineral
Red Jasper
Jasper (a cryptocrystalline variety of Quartz, SiO₂)
Sedimentary Rock
Amazonite
Amazonite (KAlSi3O8, a variety of Microcline)
mineral
Moonstone
Orthoclase (KAlSi3O8), a variety of potassium feldspar
mineral
Amazonite
Tectosilicate (variety of Microcline), K(AlSi3O8)
mineral
Chert (or Flint)
Chert (a cryptocrystalline variety of quartz, SiO2)
sedimentary
Amazonite
Amazonite (KAlSi3O8) - a variety of Microcline Feldspar
Mineral
Brown Jasper
Jasper (a cryptocrystalline variety of Quartz, SiO2)
Mineral, specifically a variety of Quartz
Amazonite
Amazonite (KAlSi3O8, a variety of Microcline)
Mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Red Jasper (Mookaite style)
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Ruby
Corundum (Al2O3 with Chromium impurities)
mineral
Chert (often called Jasper in this color)
Microcrystalline quartz (SiO2)
sedimentary
Satin Spar
Fibrous Gypsum (CaSO4·2H2O)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (potentially Flint or Mudstone)
Microcrystalline Quartz (SiO2)
sedimentary
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Limonite/Hematite Ironstone
Goethite-rich Ironstone (FeO(OH) · nH2O)
sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Jasper with Hematite Inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
sedimentary
Chert (Nodule)
Microcrystalline Silica (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Que Sera Stone (Llanite)
Rhyolite containing blue quartz and feldspar
igneous
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Blue Lace Agate
Cryptocrystalline Quartz (SiO2) with trace minerals
mineral
Rose Quartz with Hematite inclusions
Crystalline Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Satin Spar (Gypsum)
Hydrous Calcium Sulfate (CaSO4·2H2O)
mineral
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral