Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Category
Mineral, Often Found As Detrital Grains In Sedimentary Rocks
Browse mineral, often found as detrital grains in sedimentary rocks specimens identified by the Rock Identifier community.
Amygdaloidal Basalt with Epidote/Chlorite
Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))
igneous
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Turquoise (Green variety)
Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
mineral
Agate (or Chalcedony)
Silicon Dioxide (SiO2)
mineral
Ferruginous Conglomerate
Conglomerate with Iron-Oxide Matrix (SiO2 + Fe2O3/FeO(OH))
sedimentary
Fluorite (Blue)
Calcium Fluoride (CaF2)
mineral
Fluorite in Matrix
Fluorite (CaF2) within a host rock matrix
Mineral
Gneiss (with Quartz and Mica)
Gneiss
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Granite
Granite (a common type of Felsic Intrusive Igneous Rock)
Igneous Rock
Botryoidal Lace Agate
Agate (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (chiefly SiO2)
metamorphic
Granite Pebble
Granite
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Orange Quartzite (Tumble-polished)
Quartzite (primarily SiO2)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Graywacke (River Cobble)
Graywacke (Lithic Sandstone)
sedimentary
Aquamarine (Pendant) and Jasper (Beads)
Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)
mineral
Clear Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Greenstone
Metabasalt / Metamorphosed Igneous Rock
metamorphic
Granite or Granitic Gneiss
Granitoid / Gneiss
Igneous / Metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Porphyry (likely Porphyritic Andesite or Basalt)
Porphyritic Igneous Rock
igneous
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite River Rock
Quartzite (SiO2)
metamorphic
Chalcedony (Agate/Quartz variety)
Cryptocrystalline Quartz (SiO2)
mineral
Quartzite
SiO2 (Crystalline Quartz)
metamorphic
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite
Metamorphic rock
Peridot (Olivine)
Olivine ((Mg,Fe)2SiO4)
Mineral
Limonite
FeO(OH)·nH2O (Hydrated iron oxide)
mineral
Chalcedony in Host Rock
Silicon Dioxide (SiO2)
mineral
Gneiss (with Quartzite and Mica)
Gneiss
metamorphic
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Gold Flake
Native Gold (Au)
mineral