Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
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Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Bloodstone
Chalcedony (cryptocrystalline quartz)
Mineral/Semiprecious Stone
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Ironstone Concretion (Moqui Marble)
Iron-oxide concretion (Fe2O3 / FeO(OH))
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Schist
Schist
metamorphic
Graphite
Carbon (C)
mineral
Graphite
Graphite (Carbon, C)
mineral
Diabase
Diabase (Dolerite)
igneous
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Green Jasper / Plasma
Microcrystalline Quartz (Chalcedony), SiO2 with inclusions
gemstone
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Jasper and Agate (Polychrome Jasper / Mookaite variety)
Silicon dioxide (SiO2) microcrystalline quartz
sedimentary
Tumbled Agate Pebble
Silicon Dioxide (SiO2)
sedimentary
Tumbled Jasper and Tiger's Eye
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Jasper with Iron Inclusions
Silicon Dioxide (SiO2) with Hematite/Goethite
sedimentary
Blue Lace Agate
Silicon Dioxide (SiO2) - Chalcedony / Quartz
sedimentary
Anthracite Coal
Anthracite (Carbon C)
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Tumbled Agate
Silicon Dioxide (SiO2)
gemstone
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate) - a variety of Microcline Feldspar
mineral
Dalmatian Jasper
Peralkaline rhyolite with arfvedsonite inclusions
igneous
Limonite/Goethite on Shale
Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock
sedimentary
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Mineral
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Faceted Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Chalcedony/Agate)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Purple Dyed Dalmatian Stone
Dyed Peralkaline Trachyte
igneous
Dalmatian jasper
Orbicular rhyolite, commonly sold as Dalmatian jasper; mainly quartz, feldspar, and altered mafic minerals
igneous
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Unidentified Dark Mineral or Rock
Indeterminate (Likely Silicon Dioxide or Carbon-based)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
sedimentary
Polished dark chert or flint
Microcrystalline quartz (SiO₂), commonly called chert; possibly flint
sedimentary
Red Jasper (River Pebble)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
sedimentary
Basalt
Mafic Fine-Grained Igneous Rock
igneous